Finding the Fourth Proportional to 74,761.84, 103,166.12 and 42,061.18

Step by Step Solution

1. Step 1: Write the proportion equation
   74,761.84 : 103,166.12 = 42,061.18 : x
2. Step 2: Convert to fraction form
   74,761.84/103,166.12 = 42,061.18/x
3. Step 3: Cross multiply
   74,761.84x = 103,166.12 × 42,061.18
4. Step 4: Simplify right side
   74,761.84x = 4,339,288,743.22
5. Step 5: Solve for x
   x = 4,339,288,743.22/74,761.84
6. Step 6: Final answer
   x = 58,041.49