Finding the Fourth Proportional to 129,796.86, 179,200.76 and 99,524.03

Step by Step Solution

1. Step 1: Write the proportion equation
   129,796.86 : 179,200.76 = 99,524.03 : x
2. Step 2: Convert to fraction form
   129,796.86/179,200.76 = 99,524.03/x
3. Step 3: Cross multiply
   129,796.86x = 179,200.76 × 99,524.03
4. Step 4: Simplify right side
   129,796.86x = 17,834,780,420.64
5. Step 5: Solve for x
   x = 17,834,780,420.64/129,796.86
6. Step 6: Final answer
   x = 137,405.33