Finding the Fourth Proportional to 42,181, 63,282.08 and 12,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,181 : 63,282.08 = 12,598.72 : x
2. Step 2: Convert to fraction form
   42,181/63,282.08 = 12,598.72/x
3. Step 3: Cross multiply
   42,181x = 63,282.08 × 12,598.72
4. Step 4: Simplify right side
   42,181x = 797,273,206.94
5. Step 5: Solve for x
   x = 797,273,206.94/42,181
6. Step 6: Final answer
   x = 18,901.24