Finding the Fourth Proportional to 74,752.19, 103,159.72 and 42,481.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,752.19 : 103,159.72 = 42,481.72 : x
2. Step 2: Convert to fraction form
   74,752.19/103,159.72 = 42,481.72/x
3. Step 3: Cross multiply
   74,752.19x = 103,159.72 × 42,481.72
4. Step 4: Simplify right side
   74,752.19x = 4,382,402,340.32
5. Step 5: Solve for x
   x = 4,382,402,340.32/74,752.19
6. Step 6: Final answer
   x = 58,625.74