Finding the Fourth Proportional to 1,899.91, 2,621.98 and 1,060.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.91 : 2,621.98 = 1,060.62 : x
2. Step 2: Convert to fraction form
   1,899.91/2,621.98 = 1,060.62/x
3. Step 3: Cross multiply
   1,899.91x = 2,621.98 × 1,060.62
4. Step 4: Simplify right side
   1,899.91x = 2,780,921.43
5. Step 5: Solve for x
   x = 2,780,921.43/1,899.91
6. Step 6: Final answer
   x = 1,463.71