Finding the Fourth Proportional to 1,477.90, 2,024.71 and 1,422.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.90 : 2,024.71 = 1,422.50 : x
2. Step 2: Convert to fraction form
   1,477.90/2,024.71 = 1,422.50/x
3. Step 3: Cross multiply
   1,477.90x = 2,024.71 × 1,422.50
4. Step 4: Simplify right side
   1,477.90x = 2,880,151.48
5. Step 5: Solve for x
   x = 2,880,151.48/1,477.90
6. Step 6: Final answer
   x = 1,948.82