Finding the Fourth Proportional to 116,613.15, 160,924.28 and 64,929.75

Step by Step Solution

1. Step 1: Write the proportion equation
   116,613.15 : 160,924.28 = 64,929.75 : x
2. Step 2: Convert to fraction form
   116,613.15/160,924.28 = 64,929.75/x
3. Step 3: Cross multiply
   116,613.15x = 160,924.28 × 64,929.75
4. Step 4: Simplify right side
   116,613.15x = 10,448,773,269.33
5. Step 5: Solve for x
   x = 10,448,773,269.33/116,613.15
6. Step 6: Final answer
   x = 89,602.02