Finding the Fourth Proportional to 108,789.59, 162,439.86 and 97,471.87

Step by Step Solution

1. Step 1: Write the proportion equation
   108,789.59 : 162,439.86 = 97,471.87 : x
2. Step 2: Convert to fraction form
   108,789.59/162,439.86 = 97,471.87/x
3. Step 3: Cross multiply
   108,789.59x = 162,439.86 × 97,471.87
4. Step 4: Simplify right side
   108,789.59x = 15,833,316,876.16
5. Step 5: Solve for x
   x = 15,833,316,876.16/108,789.59
6. Step 6: Final answer
   x = 145,540.73