Finding the Fourth Proportional to 42,080.24, 63,130.02 and 12,497.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,080.24 : 63,130.02 = 12,497.42 : x
2. Step 2: Convert to fraction form
   42,080.24/63,130.02 = 12,497.42/x
3. Step 3: Cross multiply
   42,080.24x = 63,130.02 × 12,497.42
4. Step 4: Simplify right side
   42,080.24x = 788,962,374.55
5. Step 5: Solve for x
   x = 788,962,374.55/42,080.24
6. Step 6: Final answer
   x = 18,749.00