Finding the Fourth Proportional to 108,152.28, 149,248.59 and 60,406.32

Step by Step Solution

1. Step 1: Write the proportion equation
   108,152.28 : 149,248.59 = 60,406.32 : x
2. Step 2: Convert to fraction form
   108,152.28/149,248.59 = 60,406.32/x
3. Step 3: Cross multiply
   108,152.28x = 149,248.59 × 60,406.32
4. Step 4: Simplify right side
   108,152.28x = 9,015,558,087.09
5. Step 5: Solve for x
   x = 9,015,558,087.09/108,152.28
6. Step 6: Final answer
   x = 83,359.85