Finding the Fourth Proportional to 1,881.89, 2,594.30 and 1,320.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,881.89 : 2,594.30 = 1,320.62 : x
2. Step 2: Convert to fraction form
   1,881.89/2,594.30 = 1,320.62/x
3. Step 3: Cross multiply
   1,881.89x = 2,594.30 × 1,320.62
4. Step 4: Simplify right side
   1,881.89x = 3,426,084.47
5. Step 5: Solve for x
   x = 3,426,084.47/1,881.89
6. Step 6: Final answer
   x = 1,820.56