Finding the Fourth Proportional to 78,680.02, 108,592.50 and 46,412.68

Step by Step Solution

1. Step 1: Write the proportion equation
   78,680.02 : 108,592.50 = 46,412.68 : x
2. Step 2: Convert to fraction form
   78,680.02/108,592.50 = 46,412.68/x
3. Step 3: Cross multiply
   78,680.02x = 108,592.50 × 46,412.68
4. Step 4: Simplify right side
   78,680.02x = 5,040,068,952.90
5. Step 5: Solve for x
   x = 5,040,068,952.90/78,680.02
6. Step 6: Final answer
   x = 64,057.80