Finding the Fourth Proportional to 1,156.59, 1,596.04 and 632.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.59 : 1,596.04 = 632.61 : x
2. Step 2: Convert to fraction form
   1,156.59/1,596.04 = 632.61/x
3. Step 3: Cross multiply
   1,156.59x = 1,596.04 × 632.61
4. Step 4: Simplify right side
   1,156.59x = 1,009,670.86
5. Step 5: Solve for x
   x = 1,009,670.86/1,156.59
6. Step 6: Final answer
   x = 872.97