Finding the Fourth Proportional to 1,899.47, 2,845.10 and 1,853.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.47 : 2,845.10 = 1,853.01 : x
2. Step 2: Convert to fraction form
   1,899.47/2,845.10 = 1,853.01/x
3. Step 3: Cross multiply
   1,899.47x = 2,845.10 × 1,853.01
4. Step 4: Simplify right side
   1,899.47x = 5,272,003.38
5. Step 5: Solve for x
   x = 5,272,003.38/1,899.47
6. Step 6: Final answer
   x = 2,775.51