Finding the Fourth Proportional to 1,254.79, 1,733.41 and 1,088.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254.79 : 1,733.41 = 1,088.72 : x
2. Step 2: Convert to fraction form
   1,254.79/1,733.41 = 1,088.72/x
3. Step 3: Cross multiply
   1,254.79x = 1,733.41 × 1,088.72
4. Step 4: Simplify right side
   1,254.79x = 1,887,192.26
5. Step 5: Solve for x
   x = 1,887,192.26/1,254.79
6. Step 6: Final answer
   x = 1,503.99