Finding the Fourth Proportional to 42,129.96, 58,139.31 and 23,267.07

Step by Step Solution

1. Step 1: Write the proportion equation
   42,129.96 : 58,139.31 = 23,267.07 : x
2. Step 2: Convert to fraction form
   42,129.96/58,139.31 = 23,267.07/x
3. Step 3: Cross multiply
   42,129.96x = 58,139.31 × 23,267.07
4. Step 4: Simplify right side
   42,129.96x = 1,352,731,395.52
5. Step 5: Solve for x
   x = 1,352,731,395.52/42,129.96
6. Step 6: Final answer
   x = 32,108.54