Finding the Fourth Proportional to 42,321.30, 58,403.98 and 23,200.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,321.30 : 58,403.98 = 23,200.68 : x
2. Step 2: Convert to fraction form
   42,321.30/58,403.98 = 23,200.68/x
3. Step 3: Cross multiply
   42,321.30x = 58,403.98 × 23,200.68
4. Step 4: Simplify right side
   42,321.30x = 1,355,012,050.71
5. Step 5: Solve for x
   x = 1,355,012,050.71/42,321.30
6. Step 6: Final answer
   x = 32,017.26