Finding the Fourth Proportional to 49,417.07, 74,117.25 and 13,870.23

Step by Step Solution

1. Step 1: Write the proportion equation
   49,417.07 : 74,117.25 = 13,870.23 : x
2. Step 2: Convert to fraction form
   49,417.07/74,117.25 = 13,870.23/x
3. Step 3: Cross multiply
   49,417.07x = 74,117.25 × 13,870.23
4. Step 4: Simplify right side
   49,417.07x = 1,028,022,933.88
5. Step 5: Solve for x
   x = 1,028,022,933.88/49,417.07
6. Step 6: Final answer
   x = 20,802.99