Finding the Fourth Proportional to 1,878.18, 2,591.35 and 1,092.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878.18 : 2,591.35 = 1,092.07 : x
2. Step 2: Convert to fraction form
   1,878.18/2,591.35 = 1,092.07/x
3. Step 3: Cross multiply
   1,878.18x = 2,591.35 × 1,092.07
4. Step 4: Simplify right side
   1,878.18x = 2,829,935.59
5. Step 5: Solve for x
   x = 2,829,935.59/1,878.18
6. Step 6: Final answer
   x = 1,506.74