Finding the Fourth Proportional to 1,904.32, 2,627.80 and 1,064.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.32 : 2,627.80 = 1,064.96 : x
2. Step 2: Convert to fraction form
   1,904.32/2,627.80 = 1,064.96/x
3. Step 3: Cross multiply
   1,904.32x = 2,627.80 × 1,064.96
4. Step 4: Simplify right side
   1,904.32x = 2,798,501.89
5. Step 5: Solve for x
   x = 2,798,501.89/1,904.32
6. Step 6: Final answer
   x = 1,469.55