Finding the Fourth Proportional to 89,839.62, 124,019.46 and 64,014.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,839.62 : 124,019.46 = 64,014.84 : x
2. Step 2: Convert to fraction form
   89,839.62/124,019.46 = 64,014.84/x
3. Step 3: Cross multiply
   89,839.62x = 124,019.46 × 64,014.84
4. Step 4: Simplify right side
   89,839.62x = 7,939,085,888.79
5. Step 5: Solve for x
   x = 7,939,085,888.79/89,839.62
6. Step 6: Final answer
   x = 88,369.54