Finding the Fourth Proportional to 101,899.50, 152,847.96 and 71,789.34

Step by Step Solution

1. Step 1: Write the proportion equation
   101,899.50 : 152,847.96 = 71,789.34 : x
2. Step 2: Convert to fraction form
   101,899.50/152,847.96 = 71,789.34/x
3. Step 3: Cross multiply
   101,899.50x = 152,847.96 × 71,789.34
4. Step 4: Simplify right side
   101,899.50x = 10,972,854,168.75
5. Step 5: Solve for x
   x = 10,972,854,168.75/101,899.50
6. Step 6: Final answer
   x = 107,683.10