Finding the Fourth Proportional to 23,178,696.91, 31,986,522.71 and 12,724,452.97

Step by Step Solution

1. Step 1: Write the proportion equation
   23,178,696.91 : 31,986,522.71 = 12,724,452.97 : x
2. Step 2: Convert to fraction form
   23,178,696.91/31,986,522.71 = 12,724,452.97/x
3. Step 3: Cross multiply
   23,178,696.91x = 31,986,522.71 × 12,724,452.97
4. Step 4: Simplify right side
   23,178,696.91x = 407,011,003,801,360.06
5. Step 5: Solve for x
   x = 407,011,003,801,360.06/23,178,696.91
6. Step 6: Final answer
   x = 17,559,701.71