Finding the Fourth Proportional to 82,288,561.92, 123,441,137.28 and 21,708,476.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,288,561.92 : 123,441,137.28 = 21,708,476.16 : x
2. Step 2: Convert to fraction form
   82,288,561.92/123,441,137.28 = 21,708,476.16/x
3. Step 3: Cross multiply
   82,288,561.92x = 123,441,137.28 × 21,708,476.16
4. Step 4: Simplify right side
   82,288,561.92x = 2,679,718,985,806,167.50
5. Step 5: Solve for x
   x = 2,679,718,985,806,167.50/82,288,561.92
6. Step 6: Final answer
   x = 32,564,902.38