Finding the Fourth Proportional to 42,302.88, 58,378.32 and 23,440.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,302.88 : 58,378.32 = 23,440.32 : x
2. Step 2: Convert to fraction form
   42,302.88/58,378.32 = 23,440.32/x
3. Step 3: Cross multiply
   42,302.88x = 58,378.32 × 23,440.32
4. Step 4: Simplify right side
   42,302.88x = 1,368,406,501.86
5. Step 5: Solve for x
   x = 1,368,406,501.86/42,302.88
6. Step 6: Final answer
   x = 32,347.83