Finding the Fourth Proportional to 1,154.05, 1,592.61 and 630.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154.05 : 1,592.61 = 630.08 : x
2. Step 2: Convert to fraction form
   1,154.05/1,592.61 = 630.08/x
3. Step 3: Cross multiply
   1,154.05x = 1,592.61 × 630.08
4. Step 4: Simplify right side
   1,154.05x = 1,003,471.71
5. Step 5: Solve for x
   x = 1,003,471.71/1,154.05
6. Step 6: Final answer
   x = 869.53