Finding the Fourth Proportional to 42,080.56, 63,098.72 and 12,494.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,080.56 : 63,098.72 = 12,494.32 : x
2. Step 2: Convert to fraction form
   42,080.56/63,098.72 = 12,494.32/x
3. Step 3: Cross multiply
   42,080.56x = 63,098.72 × 12,494.32
4. Step 4: Simplify right side
   42,080.56x = 788,375,599.27
5. Step 5: Solve for x
   x = 788,375,599.27/42,080.56
6. Step 6: Final answer
   x = 18,734.91