Finding the Fourth Proportional to 72,291,255.99, 99,763,667.01 and 39,252,897.62

Step by Step Solution

1. Step 1: Write the proportion equation
   72,291,255.99 : 99,763,667.01 = 39,252,897.62 : x
2. Step 2: Convert to fraction form
   72,291,255.99/99,763,667.01 = 39,252,897.62/x
3. Step 3: Cross multiply
   72,291,255.99x = 99,763,667.01 × 39,252,897.62
4. Step 4: Simplify right side
   72,291,255.99x = 3,916,013,007,775,768
5. Step 5: Solve for x
   x = 3,916,013,007,775,768/72,291,255.99
6. Step 6: Final answer
   x = 54,169,940.11