Finding the Fourth Proportional to 85,568.72, 118,088.99 and 47,328.12

Step by Step Solution

1. Step 1: Write the proportion equation
   85,568.72 : 118,088.99 = 47,328.12 : x
2. Step 2: Convert to fraction form
   85,568.72/118,088.99 = 47,328.12/x
3. Step 3: Cross multiply
   85,568.72x = 118,088.99 × 47,328.12
4. Step 4: Simplify right side
   85,568.72x = 5,588,929,417.27
5. Step 5: Solve for x
   x = 5,588,929,417.27/85,568.72
6. Step 6: Final answer
   x = 65,315.10