Finding the Fourth Proportional to 1,156.61, 1,596.04 and 632.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.61 : 1,596.04 = 632.64 : x
2. Step 2: Convert to fraction form
   1,156.61/1,596.04 = 632.64/x
3. Step 3: Cross multiply
   1,156.61x = 1,596.04 × 632.64
4. Step 4: Simplify right side
   1,156.61x = 1,009,723.15
5. Step 5: Solve for x
   x = 1,009,723.15/1,156.61
6. Step 6: Final answer
   x = 873.00