Finding the Fourth Proportional to 1,883.31, 2,824.04 and 772.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,883.31 : 2,824.04 = 772.52 : x
2. Step 2: Convert to fraction form
   1,883.31/2,824.04 = 772.52/x
3. Step 3: Cross multiply
   1,883.31x = 2,824.04 × 772.52
4. Step 4: Simplify right side
   1,883.31x = 2,181,636.85
5. Step 5: Solve for x
   x = 2,181,636.85/1,883.31
6. Step 6: Final answer
   x = 1,158.41