Finding the Fourth Proportional to 78,825.18, 108,724.59 and 46,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,825.18 : 108,724.59 = 46,969.50 : x
2. Step 2: Convert to fraction form
   78,825.18/108,724.59 = 46,969.50/x
3. Step 3: Cross multiply
   78,825.18x = 108,724.59 × 46,969.50
4. Step 4: Simplify right side
   78,825.18x = 5,106,739,630.01
5. Step 5: Solve for x
   x = 5,106,739,630.01/78,825.18
6. Step 6: Final answer
   x = 64,785.64