Finding the Fourth Proportional to 108,123.30, 149,210.37 and 60,376.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,123.30 : 149,210.37 = 60,376.50 : x
2. Step 2: Convert to fraction form
   108,123.30/149,210.37 = 60,376.50/x
3. Step 3: Cross multiply
   108,123.30x = 149,210.37 × 60,376.50
4. Step 4: Simplify right side
   108,123.30x = 9,008,799,904.31
5. Step 5: Solve for x
   x = 9,008,799,904.31/108,123.30
6. Step 6: Final answer
   x = 83,319.69