Finding the Fourth Proportional to 63,780.87, 87,925.38 and 42,234.48

Step by Step Solution

1. Step 1: Write the proportion equation
   63,780.87 : 87,925.38 = 42,234.48 : x
2. Step 2: Convert to fraction form
   63,780.87/87,925.38 = 42,234.48/x
3. Step 3: Cross multiply
   63,780.87x = 87,925.38 × 42,234.48
4. Step 4: Simplify right side
   63,780.87x = 3,713,482,703.10
5. Step 5: Solve for x
   x = 3,713,482,703.10/63,780.87
6. Step 6: Final answer
   x = 58,222.52