Finding the Fourth Proportional to 108,520.86, 149,759.82 and 60,123.81

Step by Step Solution

1. Step 1: Write the proportion equation
   108,520.86 : 149,759.82 = 60,123.81 : x
2. Step 2: Convert to fraction form
   108,520.86/149,759.82 = 60,123.81/x
3. Step 3: Cross multiply
   108,520.86x = 149,759.82 × 60,123.81
4. Step 4: Simplify right side
   108,520.86x = 9,004,130,963.31
5. Step 5: Solve for x
   x = 9,004,130,963.31/108,520.86
6. Step 6: Final answer
   x = 82,971.43