Finding the Fourth Proportional to 1,572.00, 2,354.39 and 877.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572.00 : 2,354.39 = 877.13 : x
2. Step 2: Convert to fraction form
   1,572.00/2,354.39 = 877.13/x
3. Step 3: Cross multiply
   1,572.00x = 2,354.39 × 877.13
4. Step 4: Simplify right side
   1,572.00x = 2,065,101.72
5. Step 5: Solve for x
   x = 2,065,101.72/1,572.00
6. Step 6: Final answer
   x = 1,313.68