Finding the Fourth Proportional to 99,395.39, 137,155.40 and 59,101.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99,395.39 : 137,155.40 = 59,101.37 : x
2. Step 2: Convert to fraction form
   99,395.39/137,155.40 = 59,101.37/x
3. Step 3: Cross multiply
   99,395.39x = 137,155.40 × 59,101.37
4. Step 4: Simplify right side
   99,395.39x = 8,106,071,728.58
5. Step 5: Solve for x
   x = 8,106,071,728.58/99,395.39
6. Step 6: Final answer
   x = 81,553.80