Finding the Fourth Proportional to 1,653.34, 2,477.71 and 1,098.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,653.34 : 2,477.71 = 1,098.70 : x
2. Step 2: Convert to fraction form
   1,653.34/2,477.71 = 1,098.70/x
3. Step 3: Cross multiply
   1,653.34x = 2,477.71 × 1,098.70
4. Step 4: Simplify right side
   1,653.34x = 2,722,259.98
5. Step 5: Solve for x
   x = 2,722,259.98/1,653.34
6. Step 6: Final answer
   x = 1,646.52