Finding the Fourth Proportional to 78,688.82, 108,591.03 and 46,859.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,688.82 : 108,591.03 = 46,859.06 : x
2. Step 2: Convert to fraction form
   78,688.82/108,591.03 = 46,859.06/x
3. Step 3: Cross multiply
   78,688.82x = 108,591.03 × 46,859.06
4. Step 4: Simplify right side
   78,688.82x = 5,088,473,590.23
5. Step 5: Solve for x
   x = 5,088,473,590.23/78,688.82
6. Step 6: Final answer
   x = 64,665.78