Finding the Fourth Proportional to 1,507.76, 2,076.82 and 1,064.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507.76 : 2,076.82 = 1,064.90 : x
2. Step 2: Convert to fraction form
   1,507.76/2,076.82 = 1,064.90/x
3. Step 3: Cross multiply
   1,507.76x = 2,076.82 × 1,064.90
4. Step 4: Simplify right side
   1,507.76x = 2,211,592.57
5. Step 5: Solve for x
   x = 2,211,592.57/1,507.76
6. Step 6: Final answer
   x = 1,466.80