Finding the Fourth Proportional to 78,641.48, 108,540.18 and 46,827.92

Step by Step Solution

1. Step 1: Write the proportion equation
   78,641.48 : 108,540.18 = 46,827.92 : x
2. Step 2: Convert to fraction form
   78,641.48/108,540.18 = 46,827.92/x
3. Step 3: Cross multiply
   78,641.48x = 108,540.18 × 46,827.92
4. Step 4: Simplify right side
   78,641.48x = 5,082,710,323.12
5. Step 5: Solve for x
   x = 5,082,710,323.12/78,641.48
6. Step 6: Final answer
   x = 64,631.42