Finding the Fourth Proportional to 1,445.84, 2,167.89 and 703.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445.84 : 2,167.89 = 703.98 : x
2. Step 2: Convert to fraction form
   1,445.84/2,167.89 = 703.98/x
3. Step 3: Cross multiply
   1,445.84x = 2,167.89 × 703.98
4. Step 4: Simplify right side
   1,445.84x = 1,526,151.20
5. Step 5: Solve for x
   x = 1,526,151.20/1,445.84
6. Step 6: Final answer
   x = 1,055.55