Finding the Fourth Proportional to 1,899.16, 2,620.93 and 1,059.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.16 : 2,620.93 = 1,059.93 : x
2. Step 2: Convert to fraction form
   1,899.16/2,620.93 = 1,059.93/x
3. Step 3: Cross multiply
   1,899.16x = 2,620.93 × 1,059.93
4. Step 4: Simplify right side
   1,899.16x = 2,778,002.33
5. Step 5: Solve for x
   x = 2,778,002.33/1,899.16
6. Step 6: Final answer
   x = 1,462.75