Finding the Fourth Proportional to 111,486.78, 153,850.98 and 60,498.22

Step by Step Solution

1. Step 1: Write the proportion equation
   111,486.78 : 153,850.98 = 60,498.22 : x
2. Step 2: Convert to fraction form
   111,486.78/153,850.98 = 60,498.22/x
3. Step 3: Cross multiply
   111,486.78x = 153,850.98 × 60,498.22
4. Step 4: Simplify right side
   111,486.78x = 9,307,710,277.50
5. Step 5: Solve for x
   x = 9,307,710,277.50/111,486.78
6. Step 6: Final answer
   x = 83,487.12