Finding the Fourth Proportional to 42,148.50, 58,159.80 and 23,285.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,148.50 : 58,159.80 = 23,285.76 : x
2. Step 2: Convert to fraction form
   42,148.50/58,159.80 = 23,285.76/x
3. Step 3: Cross multiply
   42,148.50x = 58,159.80 × 23,285.76
4. Step 4: Simplify right side
   42,148.50x = 1,354,295,144.45
5. Step 5: Solve for x
   x = 1,354,295,144.45/42,148.50
6. Step 6: Final answer
   x = 32,131.51