Finding the Fourth Proportional to 1,465.89, 2,023.29 and 876.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,465.89 : 2,023.29 = 876.78 : x
2. Step 2: Convert to fraction form
   1,465.89/2,023.29 = 876.78/x
3. Step 3: Cross multiply
   1,465.89x = 2,023.29 × 876.78
4. Step 4: Simplify right side
   1,465.89x = 1,773,980.21
5. Step 5: Solve for x
   x = 1,773,980.21/1,465.89
6. Step 6: Final answer
   x = 1,210.17