Finding the Fourth Proportional to 116,612.86, 160,924.32 and 65,625.69

Step by Step Solution

1. Step 1: Write the proportion equation
   116,612.86 : 160,924.32 = 65,625.69 : x
2. Step 2: Convert to fraction form
   116,612.86/160,924.32 = 65,625.69/x
3. Step 3: Cross multiply
   116,612.86x = 160,924.32 × 65,625.69
4. Step 4: Simplify right side
   116,612.86x = 10,560,769,537.78
5. Step 5: Solve for x
   x = 10,560,769,537.78/116,612.86
6. Step 6: Final answer
   x = 90,562.65