Finding the Fourth Proportional to 84,851.50, 117,097.50 and 47,128.18

Step by Step Solution

1. Step 1: Write the proportion equation
   84,851.50 : 117,097.50 = 47,128.18 : x
2. Step 2: Convert to fraction form
   84,851.50/117,097.50 = 47,128.18/x
3. Step 3: Cross multiply
   84,851.50x = 117,097.50 × 47,128.18
4. Step 4: Simplify right side
   84,851.50x = 5,518,592,057.55
5. Step 5: Solve for x
   x = 5,518,592,057.55/84,851.50
6. Step 6: Final answer
   x = 65,038.24