Finding the Fourth Proportional to 1,870.76, 2,798.78 and 1,651.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.76 : 2,798.78 = 1,651.88 : x
2. Step 2: Convert to fraction form
   1,870.76/2,798.78 = 1,651.88/x
3. Step 3: Cross multiply
   1,870.76x = 2,798.78 × 1,651.88
4. Step 4: Simplify right side
   1,870.76x = 4,623,248.71
5. Step 5: Solve for x
   x = 4,623,248.71/1,870.76
6. Step 6: Final answer
   x = 2,471.32