Finding the Fourth Proportional to 1,552.42, 2,142.10 and 922.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.42 : 2,142.10 = 922.93 : x
2. Step 2: Convert to fraction form
   1,552.42/2,142.10 = 922.93/x
3. Step 3: Cross multiply
   1,552.42x = 2,142.10 × 922.93
4. Step 4: Simplify right side
   1,552.42x = 1,977,008.00
5. Step 5: Solve for x
   x = 1,977,008.00/1,552.42
6. Step 6: Final answer
   x = 1,273.50