Finding the Fourth Proportional to 213,807.83, 320,705.13 and 101,568.83

Step by Step Solution

1. Step 1: Write the proportion equation
   213,807.83 : 320,705.13 = 101,568.83 : x
2. Step 2: Convert to fraction form
   213,807.83/320,705.13 = 101,568.83/x
3. Step 3: Cross multiply
   213,807.83x = 320,705.13 × 101,568.83
4. Step 4: Simplify right side
   213,807.83x = 32,573,644,829.10
5. Step 5: Solve for x
   x = 32,573,644,829.10/213,807.83
6. Step 6: Final answer
   x = 152,350.10