Finding the Fourth Proportional to 1,820.52, 2,731.08 and 1,430.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.52 : 2,731.08 = 1,430.50 : x
2. Step 2: Convert to fraction form
   1,820.52/2,731.08 = 1,430.50/x
3. Step 3: Cross multiply
   1,820.52x = 2,731.08 × 1,430.50
4. Step 4: Simplify right side
   1,820.52x = 3,906,809.94
5. Step 5: Solve for x
   x = 3,906,809.94/1,820.52
6. Step 6: Final answer
   x = 2,145.99