Finding the Fourth Proportional to 2,917.58, 4,376.98 and 943.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,917.58 : 4,376.98 = 943.32 : x
2. Step 2: Convert to fraction form
   2,917.58/4,376.98 = 943.32/x
3. Step 3: Cross multiply
   2,917.58x = 4,376.98 × 943.32
4. Step 4: Simplify right side
   2,917.58x = 4,128,870.89
5. Step 5: Solve for x
   x = 4,128,870.89/2,917.58
6. Step 6: Final answer
   x = 1,415.17