Finding the Fourth Proportional to 1,356.93, 2,023.59 and 1,225.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356.93 : 2,023.59 = 1,225.71 : x
2. Step 2: Convert to fraction form
   1,356.93/2,023.59 = 1,225.71/x
3. Step 3: Cross multiply
   1,356.93x = 2,023.59 × 1,225.71
4. Step 4: Simplify right side
   1,356.93x = 2,480,334.50
5. Step 5: Solve for x
   x = 2,480,334.50/1,356.93
6. Step 6: Final answer
   x = 1,827.90