Finding the Fourth Proportional to 18,061.02, 27,047.52 and 12,498.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,061.02 : 27,047.52 = 12,498.75 : x
2. Step 2: Convert to fraction form
   18,061.02/27,047.52 = 12,498.75/x
3. Step 3: Cross multiply
   18,061.02x = 27,047.52 × 12,498.75
4. Step 4: Simplify right side
   18,061.02x = 338,060,190.60
5. Step 5: Solve for x
   x = 338,060,190.60/18,061.02
6. Step 6: Final answer
   x = 18,717.67