Finding the Fourth Proportional to 1,858.34, 2,563.94 and 1,061.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.34 : 2,563.94 = 1,061.63 : x
2. Step 2: Convert to fraction form
   1,858.34/2,563.94 = 1,061.63/x
3. Step 3: Cross multiply
   1,858.34x = 2,563.94 × 1,061.63
4. Step 4: Simplify right side
   1,858.34x = 2,721,937.49
5. Step 5: Solve for x
   x = 2,721,937.49/1,858.34
6. Step 6: Final answer
   x = 1,464.72