Finding the Fourth Proportional to 60,866.76, 84,019.53 and 54,482.07

Step by Step Solution

1. Step 1: Write the proportion equation
   60,866.76 : 84,019.53 = 54,482.07 : x
2. Step 2: Convert to fraction form
   60,866.76/84,019.53 = 54,482.07/x
3. Step 3: Cross multiply
   60,866.76x = 84,019.53 × 54,482.07
4. Step 4: Simplify right side
   60,866.76x = 4,577,557,914.83
5. Step 5: Solve for x
   x = 4,577,557,914.83/60,866.76
6. Step 6: Final answer
   x = 75,206.20