Finding the Fourth Proportional to 65,901.34, 99,301.70 and 54,470.62

Step by Step Solution

1. Step 1: Write the proportion equation
   65,901.34 : 99,301.70 = 54,470.62 : x
2. Step 2: Convert to fraction form
   65,901.34/99,301.70 = 54,470.62/x
3. Step 3: Cross multiply
   65,901.34x = 99,301.70 × 54,470.62
4. Step 4: Simplify right side
   65,901.34x = 5,409,025,166.05
5. Step 5: Solve for x
   x = 5,409,025,166.05/65,901.34
6. Step 6: Final answer
   x = 82,077.62