Finding the Fourth Proportional to 74,105.48, 102,256.04 and 42,272.48

Step by Step Solution

1. Step 1: Write the proportion equation
   74,105.48 : 102,256.04 = 42,272.48 : x
2. Step 2: Convert to fraction form
   74,105.48/102,256.04 = 42,272.48/x
3. Step 3: Cross multiply
   74,105.48x = 102,256.04 × 42,272.48
4. Step 4: Simplify right side
   74,105.48x = 4,322,616,405.78
5. Step 5: Solve for x
   x = 4,322,616,405.78/74,105.48
6. Step 6: Final answer
   x = 58,330.59