Finding the Fourth Proportional to 1,156.56, 1,596.06 and 632.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.56 : 1,596.06 = 632.60 : x
2. Step 2: Convert to fraction form
   1,156.56/1,596.06 = 632.60/x
3. Step 3: Cross multiply
   1,156.56x = 1,596.06 × 632.60
4. Step 4: Simplify right side
   1,156.56x = 1,009,667.56
5. Step 5: Solve for x
   x = 1,009,667.56/1,156.56
6. Step 6: Final answer
   x = 872.99