Finding the Fourth Proportional to 50,719.86, 69,971.41 and 30,565.29

Step by Step Solution

1. Step 1: Write the proportion equation
   50,719.86 : 69,971.41 = 30,565.29 : x
2. Step 2: Convert to fraction form
   50,719.86/69,971.41 = 30,565.29/x
3. Step 3: Cross multiply
   50,719.86x = 69,971.41 × 30,565.29
4. Step 4: Simplify right side
   50,719.86x = 2,138,696,373.00
5. Step 5: Solve for x
   x = 2,138,696,373.00/50,719.86
6. Step 6: Final answer
   x = 42,166.84