Finding the Fourth Proportional to 108,231.90, 149,374.71 and 60,488.70

Step by Step Solution

1. Step 1: Write the proportion equation
   108,231.90 : 149,374.71 = 60,488.70 : x
2. Step 2: Convert to fraction form
   108,231.90/149,374.71 = 60,488.70/x
3. Step 3: Cross multiply
   108,231.90x = 149,374.71 × 60,488.70
4. Step 4: Simplify right side
   108,231.90x = 9,035,482,020.78
5. Step 5: Solve for x
   x = 9,035,482,020.78/108,231.90
6. Step 6: Final answer
   x = 83,482.61