Finding the Fourth Proportional to 85,085.53, 117,410.85 and 50,154.62

Step by Step Solution

1. Step 1: Write the proportion equation
   85,085.53 : 117,410.85 = 50,154.62 : x
2. Step 2: Convert to fraction form
   85,085.53/117,410.85 = 50,154.62/x
3. Step 3: Cross multiply
   85,085.53x = 117,410.85 × 50,154.62
4. Step 4: Simplify right side
   85,085.53x = 5,888,695,978.57
5. Step 5: Solve for x
   x = 5,888,695,978.57/85,085.53
6. Step 6: Final answer
   x = 69,209.14