Finding the Fourth Proportional to 42,279.18, 58,345.14 and 23,416.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,279.18 : 58,345.14 = 23,416.30 : x
2. Step 2: Convert to fraction form
   42,279.18/58,345.14 = 23,416.30/x
3. Step 3: Cross multiply
   42,279.18x = 58,345.14 × 23,416.30
4. Step 4: Simplify right side
   42,279.18x = 1,366,227,301.78
5. Step 5: Solve for x
   x = 1,366,227,301.78/42,279.18
6. Step 6: Final answer
   x = 32,314.42