Finding the Fourth Proportional to 1,498.60, 2,068.22 and 901.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.60 : 2,068.22 = 901.28 : x
2. Step 2: Convert to fraction form
   1,498.60/2,068.22 = 901.28/x
3. Step 3: Cross multiply
   1,498.60x = 2,068.22 × 901.28
4. Step 4: Simplify right side
   1,498.60x = 1,864,045.99
5. Step 5: Solve for x
   x = 1,864,045.99/1,498.60
6. Step 6: Final answer
   x = 1,243.86