Finding the Fourth Proportional to 108,426.28, 149,630.30 and 60,684.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,426.28 : 149,630.30 = 60,684.88 : x
2. Step 2: Convert to fraction form
   108,426.28/149,630.30 = 60,684.88/x
3. Step 3: Cross multiply
   108,426.28x = 149,630.30 × 60,684.88
4. Step 4: Simplify right side
   108,426.28x = 9,080,296,799.86
5. Step 5: Solve for x
   x = 9,080,296,799.86/108,426.28
6. Step 6: Final answer
   x = 83,746.27