Finding the Fourth Proportional to 78,508.29, 108,303.31 and 46,654.64

Step by Step Solution

1. Step 1: Write the proportion equation
   78,508.29 : 108,303.31 = 46,654.64 : x
2. Step 2: Convert to fraction form
   78,508.29/108,303.31 = 46,654.64/x
3. Step 3: Cross multiply
   78,508.29x = 108,303.31 × 46,654.64
4. Step 4: Simplify right side
   78,508.29x = 5,052,851,938.86
5. Step 5: Solve for x
   x = 5,052,851,938.86/78,508.29
6. Step 6: Final answer
   x = 64,360.74