Finding the Fourth Proportional to 116,800, 161,184.72 and 63,808

Step by Step Solution

1. Step 1: Write the proportion equation
   116,800 : 161,184.72 = 63,808 : x
2. Step 2: Convert to fraction form
   116,800/161,184.72 = 63,808/x
3. Step 3: Cross multiply
   116,800x = 161,184.72 × 63,808
4. Step 4: Simplify right side
   116,800x = 10,284,874,613.76
5. Step 5: Solve for x
   x = 10,284,874,613.76/116,800
6. Step 6: Final answer
   x = 88,055.43