Finding the Fourth Proportional to 7,359.74, 10,156.52 and 4,215.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,359.74 : 10,156.52 = 4,215.86 : x
2. Step 2: Convert to fraction form
   7,359.74/10,156.52 = 4,215.86/x
3. Step 3: Cross multiply
   7,359.74x = 10,156.52 × 4,215.86
4. Step 4: Simplify right side
   7,359.74x = 42,818,466.41
5. Step 5: Solve for x
   x = 42,818,466.41/7,359.74
6. Step 6: Final answer
   x = 5,817.93