Finding the Fourth Proportional to 156,568.41, 216,064.89 and 84,949.02

Step by Step Solution

1. Step 1: Write the proportion equation
   156,568.41 : 216,064.89 = 84,949.02 : x
2. Step 2: Convert to fraction form
   156,568.41/216,064.89 = 84,949.02/x
3. Step 3: Cross multiply
   156,568.41x = 216,064.89 × 84,949.02
4. Step 4: Simplify right side
   156,568.41x = 18,354,500,661.91
5. Step 5: Solve for x
   x = 18,354,500,661.91/156,568.41
6. Step 6: Final answer
   x = 117,229.91