Finding the Fourth Proportional to 1,870.41, 2,800.18 and 1,088.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.41 : 2,800.18 = 1,088.02 : x
2. Step 2: Convert to fraction form
   1,870.41/2,800.18 = 1,088.02/x
3. Step 3: Cross multiply
   1,870.41x = 2,800.18 × 1,088.02
4. Step 4: Simplify right side
   1,870.41x = 3,046,656.12
5. Step 5: Solve for x
   x = 3,046,656.12/1,870.41
6. Step 6: Final answer
   x = 1,628.87