Finding the Fourth Proportional to 21,096,576,851.74, 29,112,206,914.17 and 12,523,369,950.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,096,576,851.74 : 29,112,206,914.17 = 12,523,369,950.83 : x
2. Step 2: Convert to fraction form
   21,096,576,851.74/29,112,206,914.17 = 12,523,369,950.83/x
3. Step 3: Cross multiply
   21,096,576,851.74x = 29,112,206,914.17 × 12,523,369,950.83
4. Step 4: Simplify right side
   21,096,576,851.74x = 364,582,937,271,349,280,768
5. Step 5: Solve for x
   x = 364,582,937,271,349,280,768/21,096,576,851.74
6. Step 6: Final answer
   x = 17,281,615,867.52