Finding the Fourth Proportional to 60,747.56, 91,047.46 and 42,983.34

Step by Step Solution

1. Step 1: Write the proportion equation
   60,747.56 : 91,047.46 = 42,983.34 : x
2. Step 2: Convert to fraction form
   60,747.56/91,047.46 = 42,983.34/x
3. Step 3: Cross multiply
   60,747.56x = 91,047.46 × 42,983.34
4. Step 4: Simplify right side
   60,747.56x = 3,913,523,366.62
5. Step 5: Solve for x
   x = 3,913,523,366.62/60,747.56
6. Step 6: Final answer
   x = 64,422.73