Finding the Fourth Proportional to 12,700.47, 19,044.43 and 7,436.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,700.47 : 19,044.43 = 7,436.81 : x
2. Step 2: Convert to fraction form
   12,700.47/19,044.43 = 7,436.81/x
3. Step 3: Cross multiply
   12,700.47x = 19,044.43 × 7,436.81
4. Step 4: Simplify right side
   12,700.47x = 141,629,807.47
5. Step 5: Solve for x
   x = 141,629,807.47/12,700.47
6. Step 6: Final answer
   x = 11,151.54