Finding the Fourth Proportional to 2,338.58, 3,507.24 and 876.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,338.58 : 3,507.24 = 876.80 : x
2. Step 2: Convert to fraction form
   2,338.58/3,507.24 = 876.80/x
3. Step 3: Cross multiply
   2,338.58x = 3,507.24 × 876.80
4. Step 4: Simplify right side
   2,338.58x = 3,075,148.03
5. Step 5: Solve for x
   x = 3,075,148.03/2,338.58
6. Step 6: Final answer
   x = 1,314.96