Finding the Fourth Proportional to 21,619,805.48, 29,834,440.52 and 12,922,773.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,619,805.48 : 29,834,440.52 = 12,922,773.12 : x
2. Step 2: Convert to fraction form
   21,619,805.48/29,834,440.52 = 12,922,773.12/x
3. Step 3: Cross multiply
   21,619,805.48x = 29,834,440.52 × 12,922,773.12
4. Step 4: Simplify right side
   21,619,805.48x = 385,543,706,002,094.81
5. Step 5: Solve for x
   x = 385,543,706,002,094.81/21,619,805.48
6. Step 6: Final answer
   x = 17,832,894.30