Finding the Fourth Proportional to 166,824.89, 250,118.46 and 78,029.99

Step by Step Solution

1. Step 1: Write the proportion equation
   166,824.89 : 250,118.46 = 78,029.99 : x
2. Step 2: Convert to fraction form
   166,824.89/250,118.46 = 78,029.99/x
3. Step 3: Cross multiply
   166,824.89x = 250,118.46 × 78,029.99
4. Step 4: Simplify right side
   166,824.89x = 19,516,740,502.39
5. Step 5: Solve for x
   x = 19,516,740,502.39/166,824.89
6. Step 6: Final answer
   x = 116,989.38