Finding the Fourth Proportional to 116,685.72, 175,020.12 and 45,594.99

Step by Step Solution

1. Step 1: Write the proportion equation
   116,685.72 : 175,020.12 = 45,594.99 : x
2. Step 2: Convert to fraction form
   116,685.72/175,020.12 = 45,594.99/x
3. Step 3: Cross multiply
   116,685.72x = 175,020.12 × 45,594.99
4. Step 4: Simplify right side
   116,685.72x = 7,980,040,621.20
5. Step 5: Solve for x
   x = 7,980,040,621.20/116,685.72
6. Step 6: Final answer
   x = 68,389.18