Finding the Fourth Proportional to 78,947.82, 108,948.57 and 43,137.81

Step by Step Solution

1. Step 1: Write the proportion equation
   78,947.82 : 108,948.57 = 43,137.81 : x
2. Step 2: Convert to fraction form
   78,947.82/108,948.57 = 43,137.81/x
3. Step 3: Cross multiply
   78,947.82x = 108,948.57 × 43,137.81
4. Step 4: Simplify right side
   78,947.82x = 4,699,802,712.43
5. Step 5: Solve for x
   x = 4,699,802,712.43/78,947.82
6. Step 6: Final answer
   x = 59,530.49