Finding the Fourth Proportional to 101,314.32, 152,002.20 and 71,789.36

Step by Step Solution

1. Step 1: Write the proportion equation
   101,314.32 : 152,002.20 = 71,789.36 : x
2. Step 2: Convert to fraction form
   101,314.32/152,002.20 = 71,789.36/x
3. Step 3: Cross multiply
   101,314.32x = 152,002.20 × 71,789.36
4. Step 4: Simplify right side
   101,314.32x = 10,912,140,656.59
5. Step 5: Solve for x
   x = 10,912,140,656.59/101,314.32
6. Step 6: Final answer
   x = 107,705.81