Finding the Fourth Proportional to 74,244.90, 102,456.72 and 41,979

Step by Step Solution

1. Step 1: Write the proportion equation
   74,244.90 : 102,456.72 = 41,979 : x
2. Step 2: Convert to fraction form
   74,244.90/102,456.72 = 41,979/x
3. Step 3: Cross multiply
   74,244.90x = 102,456.72 × 41,979
4. Step 4: Simplify right side
   74,244.90x = 4,301,030,648.88
5. Step 5: Solve for x
   x = 4,301,030,648.88/74,244.90
6. Step 6: Final answer
   x = 57,930.32