Finding the Fourth Proportional to 1,762.32, 2,431.71 and 1,054.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,762.32 : 2,431.71 = 1,054.45 : x
2. Step 2: Convert to fraction form
   1,762.32/2,431.71 = 1,054.45/x
3. Step 3: Cross multiply
   1,762.32x = 2,431.71 × 1,054.45
4. Step 4: Simplify right side
   1,762.32x = 2,564,116.61
5. Step 5: Solve for x
   x = 2,564,116.61/1,762.32
6. Step 6: Final answer
   x = 1,454.97