Finding the Fourth Proportional to 42,165.68, 63,233.14 and 12,573.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,165.68 : 63,233.14 = 12,573.52 : x
2. Step 2: Convert to fraction form
   42,165.68/63,233.14 = 12,573.52/x
3. Step 3: Cross multiply
   42,165.68x = 63,233.14 × 12,573.52
4. Step 4: Simplify right side
   42,165.68x = 795,063,150.45
5. Step 5: Solve for x
   x = 795,063,150.45/42,165.68
6. Step 6: Final answer
   x = 18,855.69