Finding the Fourth Proportional to 42,147.72, 58,158.90 and 23,283.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,147.72 : 58,158.90 = 23,283.72 : x
2. Step 2: Convert to fraction form
   42,147.72/58,158.90 = 23,283.72/x
3. Step 3: Cross multiply
   42,147.72x = 58,158.90 × 23,283.72
4. Step 4: Simplify right side
   42,147.72x = 1,354,155,543.11
5. Step 5: Solve for x
   x = 1,354,155,543.11/42,147.72
6. Step 6: Final answer
   x = 32,128.80