Finding the Fourth Proportional to 113,377.65, 170,060.85 and 42,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,377.65 : 170,060.85 = 42,294.72 : x
2. Step 2: Convert to fraction form
   113,377.65/170,060.85 = 42,294.72/x
3. Step 3: Cross multiply
   113,377.65x = 170,060.85 × 42,294.72
4. Step 4: Simplify right side
   113,377.65x = 7,192,676,033.71
5. Step 5: Solve for x
   x = 7,192,676,033.71/113,377.65
6. Step 6: Final answer
   x = 63,439.98