Finding the Fourth Proportional to 99,426.02, 137,162.48 and 59,116.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,426.02 : 137,162.48 = 59,116.82 : x
2. Step 2: Convert to fraction form
   99,426.02/137,162.48 = 59,116.82/x
3. Step 3: Cross multiply
   99,426.02x = 137,162.48 × 59,116.82
4. Step 4: Simplify right side
   99,426.02x = 8,108,608,659.52
5. Step 5: Solve for x
   x = 8,108,608,659.52/99,426.02
6. Step 6: Final answer
   x = 81,554.20