Finding the Fourth Proportional to 5,978.34, 8,248.23 and 4,210.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.34 : 8,248.23 = 4,210.92 : x
2. Step 2: Convert to fraction form
   5,978.34/8,248.23 = 4,210.92/x
3. Step 3: Cross multiply
   5,978.34x = 8,248.23 × 4,210.92
4. Step 4: Simplify right side
   5,978.34x = 34,732,636.67
5. Step 5: Solve for x
   x = 34,732,636.67/5,978.34
6. Step 6: Final answer
   x = 5,809.75