Finding the Fourth Proportional to 7,359.64, 10,156.56 and 4,216.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,359.64 : 10,156.56 = 4,216.43 : x
2. Step 2: Convert to fraction form
   7,359.64/10,156.56 = 4,216.43/x
3. Step 3: Cross multiply
   7,359.64x = 10,156.56 × 4,216.43
4. Step 4: Simplify right side
   7,359.64x = 42,824,449.67
5. Step 5: Solve for x
   x = 42,824,449.67/7,359.64
6. Step 6: Final answer
   x = 5,818.83