Finding the Fourth Proportional to 49,111.20, 73,569.78 and 38,528.51

Step by Step Solution

1. Step 1: Write the proportion equation
   49,111.20 : 73,569.78 = 38,528.51 : x
2. Step 2: Convert to fraction form
   49,111.20/73,569.78 = 38,528.51/x
3. Step 3: Cross multiply
   49,111.20x = 73,569.78 × 38,528.51
4. Step 4: Simplify right side
   49,111.20x = 2,834,533,636.58
5. Step 5: Solve for x
   x = 2,834,533,636.58/49,111.20
6. Step 6: Final answer
   x = 57,716.64