Finding the Fourth Proportional to 1,925.14, 2,656.56 and 1,085.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.14 : 2,656.56 = 1,085.87 : x
2. Step 2: Convert to fraction form
   1,925.14/2,656.56 = 1,085.87/x
3. Step 3: Cross multiply
   1,925.14x = 2,656.56 × 1,085.87
4. Step 4: Simplify right side
   1,925.14x = 2,884,678.81
5. Step 5: Solve for x
   x = 2,884,678.81/1,925.14
6. Step 6: Final answer
   x = 1,498.43