Finding the Fourth Proportional to 42,142.12, 58,155.30 and 23,279.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,142.12 : 58,155.30 = 23,279.08 : x
2. Step 2: Convert to fraction form
   42,142.12/58,155.30 = 23,279.08/x
3. Step 3: Cross multiply
   42,142.12x = 58,155.30 × 23,279.08
4. Step 4: Simplify right side
   42,142.12x = 1,353,801,881.12
5. Step 5: Solve for x
   x = 1,353,801,881.12/42,142.12
6. Step 6: Final answer
   x = 32,124.67