Finding the Fourth Proportional to 50,346.30, 69,460.61 and 31,219.19

Step by Step Solution

1. Step 1: Write the proportion equation
   50,346.30 : 69,460.61 = 31,219.19 : x
2. Step 2: Convert to fraction form
   50,346.30/69,460.61 = 31,219.19/x
3. Step 3: Cross multiply
   50,346.30x = 69,460.61 × 31,219.19
4. Step 4: Simplify right side
   50,346.30x = 2,168,503,477.71
5. Step 5: Solve for x
   x = 2,168,503,477.71/50,346.30
6. Step 6: Final answer
   x = 43,071.75