Finding the Fourth Proportional to 42,055.85, 63,073.02 and 12,466.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,055.85 : 63,073.02 = 12,466.79 : x
2. Step 2: Convert to fraction form
   42,055.85/63,073.02 = 12,466.79/x
3. Step 3: Cross multiply
   42,055.85x = 63,073.02 × 12,466.79
4. Step 4: Simplify right side
   42,055.85x = 786,317,779.64
5. Step 5: Solve for x
   x = 786,317,779.64/42,055.85
6. Step 6: Final answer
   x = 18,696.99