Finding the Fourth Proportional to 42,034.58, 63,061.04 and 12,454.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,034.58 : 63,061.04 = 12,454.70 : x
2. Step 2: Convert to fraction form
   42,034.58/63,061.04 = 12,454.70/x
3. Step 3: Cross multiply
   42,034.58x = 63,061.04 × 12,454.70
4. Step 4: Simplify right side
   42,034.58x = 785,406,050.72
5. Step 5: Solve for x
   x = 785,406,050.72/42,034.58
6. Step 6: Final answer
   x = 18,684.76