Finding the Fourth Proportional to 42,655.83, 58,833.32 and 31,321.77

Step by Step Solution

1. Step 1: Write the proportion equation
   42,655.83 : 58,833.32 = 31,321.77 : x
2. Step 2: Convert to fraction form
   42,655.83/58,833.32 = 31,321.77/x
3. Step 3: Cross multiply
   42,655.83x = 58,833.32 × 31,321.77
4. Step 4: Simplify right side
   42,655.83x = 1,842,763,560.77
5. Step 5: Solve for x
   x = 1,842,763,560.77/42,655.83
6. Step 6: Final answer
   x = 43,200.74