Finding the Fourth Proportional to 7,314.18, 10,972.65 and 2,931.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,314.18 : 10,972.65 = 2,931.98 : x
2. Step 2: Convert to fraction form
   7,314.18/10,972.65 = 2,931.98/x
3. Step 3: Cross multiply
   7,314.18x = 10,972.65 × 2,931.98
4. Step 4: Simplify right side
   7,314.18x = 32,171,591.71
5. Step 5: Solve for x
   x = 32,171,591.71/7,314.18
6. Step 6: Final answer
   x = 4,398.52