Finding the Fourth Proportional to 5,943.32, 8,191.98 and 4,219.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,943.32 : 8,191.98 = 4,219.20 : x
2. Step 2: Convert to fraction form
   5,943.32/8,191.98 = 4,219.20/x
3. Step 3: Cross multiply
   5,943.32x = 8,191.98 × 4,219.20
4. Step 4: Simplify right side
   5,943.32x = 34,563,602.02
5. Step 5: Solve for x
   x = 34,563,602.02/5,943.32
6. Step 6: Final answer
   x = 5,815.54