Finding the Fourth Proportional to 56,990,032.28, 78,646,311.82 and 30,884,549.98

Step by Step Solution

1. Step 1: Write the proportion equation
   56,990,032.28 : 78,646,311.82 = 30,884,549.98 : x
2. Step 2: Convert to fraction form
   56,990,032.28/78,646,311.82 = 30,884,549.98/x
3. Step 3: Cross multiply
   56,990,032.28x = 78,646,311.82 × 30,884,549.98
4. Step 4: Simplify right side
   56,990,032.28x = 2,428,955,948,147,454.50
5. Step 5: Solve for x
   x = 2,428,955,948,147,454.50/56,990,032.28
6. Step 6: Final answer
   x = 42,620,715.43