Finding the Fourth Proportional to 1,065.89, 1,470.10 and 692.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.89 : 1,470.10 = 692.99 : x
2. Step 2: Convert to fraction form
   1,065.89/1,470.10 = 692.99/x
3. Step 3: Cross multiply
   1,065.89x = 1,470.10 × 692.99
4. Step 4: Simplify right side
   1,065.89x = 1,018,761.13
5. Step 5: Solve for x
   x = 1,018,761.13/1,065.89
6. Step 6: Final answer
   x = 955.78