Finding the Fourth Proportional to 113,505.30, 170,199.63 and 60,958.98

Step by Step Solution

1. Step 1: Write the proportion equation
   113,505.30 : 170,199.63 = 60,958.98 : x
2. Step 2: Convert to fraction form
   113,505.30/170,199.63 = 60,958.98/x
3. Step 3: Cross multiply
   113,505.30x = 170,199.63 × 60,958.98
4. Step 4: Simplify right side
   113,505.30x = 10,375,195,841.18
5. Step 5: Solve for x
   x = 10,375,195,841.18/113,505.30
6. Step 6: Final answer
   x = 91,407.15