Finding the Fourth Proportional to 1,878.72, 2,592.64 and 1,092.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878.72 : 2,592.64 = 1,092.56 : x
2. Step 2: Convert to fraction form
   1,878.72/2,592.64 = 1,092.56/x
3. Step 3: Cross multiply
   1,878.72x = 2,592.64 × 1,092.56
4. Step 4: Simplify right side
   1,878.72x = 2,832,614.76
5. Step 5: Solve for x
   x = 2,832,614.76/1,878.72
6. Step 6: Final answer
   x = 1,507.74