Finding the Fourth Proportional to 42,248.86, 58,302.52 and 23,128.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,248.86 : 58,302.52 = 23,128.14 : x
2. Step 2: Convert to fraction form
   42,248.86/58,302.52 = 23,128.14/x
3. Step 3: Cross multiply
   42,248.86x = 58,302.52 × 23,128.14
4. Step 4: Simplify right side
   42,248.86x = 1,348,428,844.91
5. Step 5: Solve for x
   x = 1,348,428,844.91/42,248.86
6. Step 6: Final answer
   x = 31,916.34