Finding the Fourth Proportional to 111,486.60, 153,850.73 and 60,498.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111,486.60 : 153,850.73 = 60,498.03 : x
2. Step 2: Convert to fraction form
   111,486.60/153,850.73 = 60,498.03/x
3. Step 3: Cross multiply
   111,486.60x = 153,850.73 × 60,498.03
4. Step 4: Simplify right side
   111,486.60x = 9,307,665,776.57
5. Step 5: Solve for x
   x = 9,307,665,776.57/111,486.60
6. Step 6: Final answer
   x = 83,486.86