Finding the Fourth Proportional to 77,922.29, 107,482.89 and 54,040.25

Step by Step Solution

1. Step 1: Write the proportion equation
   77,922.29 : 107,482.89 = 54,040.25 : x
2. Step 2: Convert to fraction form
   77,922.29/107,482.89 = 54,040.25/x
3. Step 3: Cross multiply
   77,922.29x = 107,482.89 × 54,040.25
4. Step 4: Simplify right side
   77,922.29x = 5,808,401,438.71
5. Step 5: Solve for x
   x = 5,808,401,438.71/77,922.29
6. Step 6: Final answer
   x = 74,540.95