Finding the Fourth Proportional to 78,947.30, 108,945.98 and 43,136.54

Step by Step Solution

1. Step 1: Write the proportion equation
   78,947.30 : 108,945.98 = 43,136.54 : x
2. Step 2: Convert to fraction form
   78,947.30/108,945.98 = 43,136.54/x
3. Step 3: Cross multiply
   78,947.30x = 108,945.98 × 43,136.54
4. Step 4: Simplify right side
   78,947.30x = 4,699,552,624.11
5. Step 5: Solve for x
   x = 4,699,552,624.11/78,947.30
6. Step 6: Final answer
   x = 59,527.72