Finding the Fourth Proportional to 78,500.16, 108,275.33 and 51,634.08

Step by Step Solution

1. Step 1: Write the proportion equation
   78,500.16 : 108,275.33 = 51,634.08 : x
2. Step 2: Convert to fraction form
   78,500.16/108,275.33 = 51,634.08/x
3. Step 3: Cross multiply
   78,500.16x = 108,275.33 × 51,634.08
4. Step 4: Simplify right side
   78,500.16x = 5,590,697,180.33
5. Step 5: Solve for x
   x = 5,590,697,180.33/78,500.16
6. Step 6: Final answer
   x = 71,218.93