Finding the Fourth Proportional to 1,925.02, 2,656.47 and 1,085.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.02 : 2,656.47 = 1,085.72 : x
2. Step 2: Convert to fraction form
   1,925.02/2,656.47 = 1,085.72/x
3. Step 3: Cross multiply
   1,925.02x = 2,656.47 × 1,085.72
4. Step 4: Simplify right side
   1,925.02x = 2,884,163.90
5. Step 5: Solve for x
   x = 2,884,163.90/1,925.02
6. Step 6: Final answer
   x = 1,498.26