Finding the Fourth Proportional to 1,134.89, 1,566.16 and 637.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,134.89 : 1,566.16 = 637.52 : x
2. Step 2: Convert to fraction form
   1,134.89/1,566.16 = 637.52/x
3. Step 3: Cross multiply
   1,134.89x = 1,566.16 × 637.52
4. Step 4: Simplify right side
   1,134.89x = 998,461.29
5. Step 5: Solve for x
   x = 998,461.29/1,134.89
6. Step 6: Final answer
   x = 879.78