Finding the Fourth Proportional to 59,188,724.16, 88,781,085.12 and 20,849,236.32

Step by Step Solution

1. Step 1: Write the proportion equation
   59,188,724.16 : 88,781,085.12 = 20,849,236.32 : x
2. Step 2: Convert to fraction form
   59,188,724.16/88,781,085.12 = 20,849,236.32/x
3. Step 3: Cross multiply
   59,188,724.16x = 88,781,085.12 × 20,849,236.32
4. Step 4: Simplify right side
   59,188,724.16x = 1,851,017,824,412,915.75
5. Step 5: Solve for x
   x = 1,851,017,824,412,915.75/59,188,724.16
6. Step 6: Final answer
   x = 31,273,149.59