Finding the Fourth Proportional to 99,410.56, 137,141.36 and 59,101.45

Step by Step Solution

1. Step 1: Write the proportion equation
   99,410.56 : 137,141.36 = 59,101.45 : x
2. Step 2: Convert to fraction form
   99,410.56/137,141.36 = 59,101.45/x
3. Step 3: Cross multiply
   99,410.56x = 137,141.36 × 59,101.45
4. Step 4: Simplify right side
   99,410.56x = 8,105,252,693.02
5. Step 5: Solve for x
   x = 8,105,252,693.02/99,410.56
6. Step 6: Final answer
   x = 81,533.12