Finding the Fourth Proportional to 83,565.41, 115,328.55 and 47,760.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,565.41 : 115,328.55 = 47,760.56 : x
2. Step 2: Convert to fraction form
   83,565.41/115,328.55 = 47,760.56/x
3. Step 3: Cross multiply
   83,565.41x = 115,328.55 × 47,760.56
4. Step 4: Simplify right side
   83,565.41x = 5,508,156,131.99
5. Step 5: Solve for x
   x = 5,508,156,131.99/83,565.41
6. Step 6: Final answer
   x = 65,914.31