Finding the Fourth Proportional to 1,753.20, 2,419.68 and 1,054.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,753.20 : 2,419.68 = 1,054.72 : x
2. Step 2: Convert to fraction form
   1,753.20/2,419.68 = 1,054.72/x
3. Step 3: Cross multiply
   1,753.20x = 2,419.68 × 1,054.72
4. Step 4: Simplify right side
   1,753.20x = 2,552,084.89
5. Step 5: Solve for x
   x = 2,552,084.89/1,753.20
6. Step 6: Final answer
   x = 1,455.67