Finding the Fourth Proportional to 99,501,843.62, 149,217,073.59 and 38,108,262.98

Step by Step Solution

1. Step 1: Write the proportion equation
   99,501,843.62 : 149,217,073.59 = 38,108,262.98 : x
2. Step 2: Convert to fraction form
   99,501,843.62/149,217,073.59 = 38,108,262.98/x
3. Step 3: Cross multiply
   99,501,843.62x = 149,217,073.59 × 38,108,262.98
4. Step 4: Simplify right side
   99,501,843.62x = 5,686,403,481,989,682
5. Step 5: Solve for x
   x = 5,686,403,481,989,682/99,501,843.62
6. Step 6: Final answer
   x = 57,148,724.84