Finding the Fourth Proportional to 74,736.87, 103,116 and 42,894.15

Step by Step Solution

1. Step 1: Write the proportion equation
   74,736.87 : 103,116 = 42,894.15 : x
2. Step 2: Convert to fraction form
   74,736.87/103,116 = 42,894.15/x
3. Step 3: Cross multiply
   74,736.87x = 103,116 × 42,894.15
4. Step 4: Simplify right side
   74,736.87x = 4,423,073,171.40
5. Step 5: Solve for x
   x = 4,423,073,171.40/74,736.87
6. Step 6: Final answer
   x = 59,181.94