Finding the Fourth Proportional to 83,965.79, 115,870.69 and 47,674.01

Step by Step Solution

1. Step 1: Write the proportion equation
   83,965.79 : 115,870.69 = 47,674.01 : x
2. Step 2: Convert to fraction form
   83,965.79/115,870.69 = 47,674.01/x
3. Step 3: Cross multiply
   83,965.79x = 115,870.69 × 47,674.01
4. Step 4: Simplify right side
   83,965.79x = 5,524,020,433.77
5. Step 5: Solve for x
   x = 5,524,020,433.77/83,965.79
6. Step 6: Final answer
   x = 65,788.94