Finding the Fourth Proportional to 2,922.76, 4,385.76 and 1,191.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,922.76 : 4,385.76 = 1,191.25 : x
2. Step 2: Convert to fraction form
   2,922.76/4,385.76 = 1,191.25/x
3. Step 3: Cross multiply
   2,922.76x = 4,385.76 × 1,191.25
4. Step 4: Simplify right side
   2,922.76x = 5,224,536.60
5. Step 5: Solve for x
   x = 5,224,536.60/2,922.76
6. Step 6: Final answer
   x = 1,787.54