Finding the Fourth Proportional to 78,598.78, 108,449.50 and 46,761.46

Step by Step Solution

1. Step 1: Write the proportion equation
   78,598.78 : 108,449.50 = 46,761.46 : x
2. Step 2: Convert to fraction form
   78,598.78/108,449.50 = 46,761.46/x
3. Step 3: Cross multiply
   78,598.78x = 108,449.50 × 46,761.46
4. Step 4: Simplify right side
   78,598.78x = 5,071,256,956.27
5. Step 5: Solve for x
   x = 5,071,256,956.27/78,598.78
6. Step 6: Final answer
   x = 64,520.81