Finding the Fourth Proportional to 93,588.42, 140,479.83 and 54,222.42

Step by Step Solution

1. Step 1: Write the proportion equation
   93,588.42 : 140,479.83 = 54,222.42 : x
2. Step 2: Convert to fraction form
   93,588.42/140,479.83 = 54,222.42/x
3. Step 3: Cross multiply
   93,588.42x = 140,479.83 × 54,222.42
4. Step 4: Simplify right side
   93,588.42x = 7,617,156,343.79
5. Step 5: Solve for x
   x = 7,617,156,343.79/93,588.42
6. Step 6: Final answer
   x = 81,389.94