Finding the Fourth Proportional to 60,511.56, 83,430.72 and 47,739.48

Step by Step Solution

1. Step 1: Write the proportion equation
   60,511.56 : 83,430.72 = 47,739.48 : x
2. Step 2: Convert to fraction form
   60,511.56/83,430.72 = 47,739.48/x
3. Step 3: Cross multiply
   60,511.56x = 83,430.72 × 47,739.48
4. Step 4: Simplify right side
   60,511.56x = 3,982,939,188.83
5. Step 5: Solve for x
   x = 3,982,939,188.83/60,511.56
6. Step 6: Final answer
   x = 65,821.13