Finding the Fourth Proportional to 78,328.42, 108,121.28 and 46,497.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,328.42 : 108,121.28 = 46,497.34 : x
2. Step 2: Convert to fraction form
   78,328.42/108,121.28 = 46,497.34/x
3. Step 3: Cross multiply
   78,328.42x = 108,121.28 × 46,497.34
4. Step 4: Simplify right side
   78,328.42x = 5,027,352,081.61
5. Step 5: Solve for x
   x = 5,027,352,081.61/78,328.42
6. Step 6: Final answer
   x = 64,182.99