Finding the Fourth Proportional to 74,642.48, 103,004.76 and 42,383.12

Step by Step Solution

1. Step 1: Write the proportion equation
   74,642.48 : 103,004.76 = 42,383.12 : x
2. Step 2: Convert to fraction form
   74,642.48/103,004.76 = 42,383.12/x
3. Step 3: Cross multiply
   74,642.48x = 103,004.76 × 42,383.12
4. Step 4: Simplify right side
   74,642.48x = 4,365,663,103.65
5. Step 5: Solve for x
   x = 4,365,663,103.65/74,642.48
6. Step 6: Final answer
   x = 58,487.65