Finding the Fourth Proportional to 60,947.10, 91,242.45 and 43,451.10

Step by Step Solution

1. Step 1: Write the proportion equation
   60,947.10 : 91,242.45 = 43,451.10 : x
2. Step 2: Convert to fraction form
   60,947.10/91,242.45 = 43,451.10/x
3. Step 3: Cross multiply
   60,947.10x = 91,242.45 × 43,451.10
4. Step 4: Simplify right side
   60,947.10x = 3,964,584,819.20
5. Step 5: Solve for x
   x = 3,964,584,819.20/60,947.10
6. Step 6: Final answer
   x = 65,049.61