Finding the Fourth Proportional to 72,048,561.92, 99,426,884.01 and 39,008,807

Step by Step Solution

1. Step 1: Write the proportion equation
   72,048,561.92 : 99,426,884.01 = 39,008,807 : x
2. Step 2: Convert to fraction form
   72,048,561.92/99,426,884.01 = 39,008,807/x
3. Step 3: Cross multiply
   72,048,561.92x = 99,426,884.01 × 39,008,807
4. Step 4: Simplify right side
   72,048,561.92x = 3,878,524,128,957,476.50
5. Step 5: Solve for x
   x = 3,878,524,128,957,476.50/72,048,561.92
6. Step 6: Final answer
   x = 53,832,082.50