Finding the Fourth Proportional to 78,973.38, 108,912.69 and 65,523.33

Step by Step Solution

1. Step 1: Write the proportion equation
   78,973.38 : 108,912.69 = 65,523.33 : x
2. Step 2: Convert to fraction form
   78,973.38/108,912.69 = 65,523.33/x
3. Step 3: Cross multiply
   78,973.38x = 108,912.69 × 65,523.33
4. Step 4: Simplify right side
   78,973.38x = 7,136,322,128.06
5. Step 5: Solve for x
   x = 7,136,322,128.06/78,973.38
6. Step 6: Final answer
   x = 90,363.64