Finding the Fourth Proportional to 109,513.98, 151,129.35 and 59,212.98

Step by Step Solution

1. Step 1: Write the proportion equation
   109,513.98 : 151,129.35 = 59,212.98 : x
2. Step 2: Convert to fraction form
   109,513.98/151,129.35 = 59,212.98/x
3. Step 3: Cross multiply
   109,513.98x = 151,129.35 × 59,212.98
4. Step 4: Simplify right side
   109,513.98x = 8,948,819,178.96
5. Step 5: Solve for x
   x = 8,948,819,178.96/109,513.98
6. Step 6: Final answer
   x = 81,713.94