Finding the Fourth Proportional to 1,360.20, 1,876.54 and 887.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.20 : 1,876.54 = 887.94 : x
2. Step 2: Convert to fraction form
   1,360.20/1,876.54 = 887.94/x
3. Step 3: Cross multiply
   1,360.20x = 1,876.54 × 887.94
4. Step 4: Simplify right side
   1,360.20x = 1,666,254.93
5. Step 5: Solve for x
   x = 1,666,254.93/1,360.20
6. Step 6: Final answer
   x = 1,225.01