Finding the Fourth Proportional to 85,329.99, 117,754.56 and 47,089.89

Step by Step Solution

1. Step 1: Write the proportion equation
   85,329.99 : 117,754.56 = 47,089.89 : x
2. Step 2: Convert to fraction form
   85,329.99/117,754.56 = 47,089.89/x
3. Step 3: Cross multiply
   85,329.99x = 117,754.56 × 47,089.89
4. Step 4: Simplify right side
   85,329.99x = 5,545,049,277.40
5. Step 5: Solve for x
   x = 5,545,049,277.40/85,329.99
6. Step 6: Final answer
   x = 64,983.59