Finding the Fourth Proportional to 111,199.50, 153,455.85 and 60,898.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,199.50 : 153,455.85 = 60,898.50 : x
2. Step 2: Convert to fraction form
   111,199.50/153,455.85 = 60,898.50/x
3. Step 3: Cross multiply
   111,199.50x = 153,455.85 × 60,898.50
4. Step 4: Simplify right side
   111,199.50x = 9,345,231,081.23
5. Step 5: Solve for x
   x = 9,345,231,081.23/111,199.50
6. Step 6: Final answer
   x = 84,040.23