Finding the Fourth Proportional to 1,561.02, 2,153.17 and 1,134.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561.02 : 2,153.17 = 1,134.93 : x
2. Step 2: Convert to fraction form
   1,561.02/2,153.17 = 1,134.93/x
3. Step 3: Cross multiply
   1,561.02x = 2,153.17 × 1,134.93
4. Step 4: Simplify right side
   1,561.02x = 2,443,697.23
5. Step 5: Solve for x
   x = 2,443,697.23/1,561.02
6. Step 6: Final answer
   x = 1,565.45