Finding the Fourth Proportional to 78,290.27, 108,068.59 and 46,459.17

Step by Step Solution

1. Step 1: Write the proportion equation
   78,290.27 : 108,068.59 = 46,459.17 : x
2. Step 2: Convert to fraction form
   78,290.27/108,068.59 = 46,459.17/x
3. Step 3: Cross multiply
   78,290.27x = 108,068.59 × 46,459.17
4. Step 4: Simplify right side
   78,290.27x = 5,020,776,454.13
5. Step 5: Solve for x
   x = 5,020,776,454.13/78,290.27
6. Step 6: Final answer
   x = 64,130.27