Finding the Fourth Proportional to 42,123, 58,129.74 and 25,359.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123 : 58,129.74 = 25,359.24 : x
2. Step 2: Convert to fraction form
   42,123/58,129.74 = 25,359.24/x
3. Step 3: Cross multiply
   42,123x = 58,129.74 × 25,359.24
4. Step 4: Simplify right side
   42,123x = 1,474,126,027.80
5. Step 5: Solve for x
   x = 1,474,126,027.80/42,123
6. Step 6: Final answer
   x = 34,995.75