Finding the Fourth Proportional to 83,600.72, 115,369 and 47,791.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,600.72 : 115,369 = 47,791.52 : x
2. Step 2: Convert to fraction form
   83,600.72/115,369 = 47,791.52/x
3. Step 3: Cross multiply
   83,600.72x = 115,369 × 47,791.52
4. Step 4: Simplify right side
   83,600.72x = 5,513,659,870.88
5. Step 5: Solve for x
   x = 5,513,659,870.88/83,600.72
6. Step 6: Final answer
   x = 65,952.30