Finding the Fourth Proportional to 1,123.08, 1,549.77 and 703.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.08 : 1,549.77 = 703.62 : x
2. Step 2: Convert to fraction form
   1,123.08/1,549.77 = 703.62/x
3. Step 3: Cross multiply
   1,123.08x = 1,549.77 × 703.62
4. Step 4: Simplify right side
   1,123.08x = 1,090,449.17
5. Step 5: Solve for x
   x = 1,090,449.17/1,123.08
6. Step 6: Final answer
   x = 970.95