Finding the Fourth Proportional to 1,899.86, 2,623.29 and 1,457.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.86 : 2,623.29 = 1,457.06 : x
2. Step 2: Convert to fraction form
   1,899.86/2,623.29 = 1,457.06/x
3. Step 3: Cross multiply
   1,899.86x = 2,623.29 × 1,457.06
4. Step 4: Simplify right side
   1,899.86x = 3,822,290.93
5. Step 5: Solve for x
   x = 3,822,290.93/1,899.86
6. Step 6: Final answer
   x = 2,011.88