Finding the Fourth Proportional to 101,705.68, 152,521.08 and 35,128.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,705.68 : 152,521.08 = 35,128.72 : x
2. Step 2: Convert to fraction form
   101,705.68/152,521.08 = 35,128.72/x
3. Step 3: Cross multiply
   101,705.68x = 152,521.08 × 35,128.72
4. Step 4: Simplify right side
   101,705.68x = 5,357,870,313.42
5. Step 5: Solve for x
   x = 5,357,870,313.42/101,705.68
6. Step 6: Final answer
   x = 52,680.15