Finding the Fourth Proportional to 113,870.60, 170,909.55 and 60,607.29

Step by Step Solution

1. Step 1: Write the proportion equation
   113,870.60 : 170,909.55 = 60,607.29 : x
2. Step 2: Convert to fraction form
   113,870.60/170,909.55 = 60,607.29/x
3. Step 3: Cross multiply
   113,870.60x = 170,909.55 × 60,607.29
4. Step 4: Simplify right side
   113,870.60x = 10,358,365,464.32
5. Step 5: Solve for x
   x = 10,358,365,464.32/113,870.60
6. Step 6: Final answer
   x = 90,966.11