Finding the Fourth Proportional to 1,927.72, 2,658.18 and 1,887.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927.72 : 2,658.18 = 1,887.22 : x
2. Step 2: Convert to fraction form
   1,927.72/2,658.18 = 1,887.22/x
3. Step 3: Cross multiply
   1,927.72x = 2,658.18 × 1,887.22
4. Step 4: Simplify right side
   1,927.72x = 5,016,570.46
5. Step 5: Solve for x
   x = 5,016,570.46/1,927.72
6. Step 6: Final answer
   x = 2,602.33