Finding the Fourth Proportional to 77,065.98, 106,304.31 and 53,150.46

Step by Step Solution

1. Step 1: Write the proportion equation
   77,065.98 : 106,304.31 = 53,150.46 : x
2. Step 2: Convert to fraction form
   77,065.98/106,304.31 = 53,150.46/x
3. Step 3: Cross multiply
   77,065.98x = 106,304.31 × 53,150.46
4. Step 4: Simplify right side
   77,065.98x = 5,650,122,976.48
5. Step 5: Solve for x
   x = 5,650,122,976.48/77,065.98
6. Step 6: Final answer
   x = 73,315.40