Finding the Fourth Proportional to 1,870.29, 2,803.41 and 773.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.29 : 2,803.41 = 773.96 : x
2. Step 2: Convert to fraction form
   1,870.29/2,803.41 = 773.96/x
3. Step 3: Cross multiply
   1,870.29x = 2,803.41 × 773.96
4. Step 4: Simplify right side
   1,870.29x = 2,169,713.19
5. Step 5: Solve for x
   x = 2,169,713.19/1,870.29
6. Step 6: Final answer
   x = 1,160.09