Finding the Fourth Proportional to 93,517.32, 129,063.18 and 55,791.56

Step by Step Solution

1. Step 1: Write the proportion equation
   93,517.32 : 129,063.18 = 55,791.56 : x
2. Step 2: Convert to fraction form
   93,517.32/129,063.18 = 55,791.56/x
3. Step 3: Cross multiply
   93,517.32x = 129,063.18 × 55,791.56
4. Step 4: Simplify right side
   93,517.32x = 7,200,636,150.76
5. Step 5: Solve for x
   x = 7,200,636,150.76/93,517.32
6. Step 6: Final answer
   x = 76,997.89