Finding the Fourth Proportional to 2,118.95, 2,925.17 and 1,490.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.95 : 2,925.17 = 1,490.02 : x
2. Step 2: Convert to fraction form
   2,118.95/2,925.17 = 1,490.02/x
3. Step 3: Cross multiply
   2,118.95x = 2,925.17 × 1,490.02
4. Step 4: Simplify right side
   2,118.95x = 4,358,561.80
5. Step 5: Solve for x
   x = 4,358,561.80/2,118.95
6. Step 6: Final answer
   x = 2,056.94