Finding the Fourth Proportional to 42,079.56, 63,097.22 and 12,493.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,079.56 : 63,097.22 = 12,493.32 : x
2. Step 2: Convert to fraction form
   42,079.56/63,097.22 = 12,493.32/x
3. Step 3: Cross multiply
   42,079.56x = 63,097.22 × 12,493.32
4. Step 4: Simplify right side
   42,079.56x = 788,293,760.57
5. Step 5: Solve for x
   x = 788,293,760.57/42,079.56
6. Step 6: Final answer
   x = 18,733.41