Finding the Fourth Proportional to 73,470, 101,388.96 and 39,936

Step by Step Solution

1. Step 1: Write the proportion equation
   73,470 : 101,388.96 = 39,936 : x
2. Step 2: Convert to fraction form
   73,470/101,388.96 = 39,936/x
3. Step 3: Cross multiply
   73,470x = 101,388.96 × 39,936
4. Step 4: Simplify right side
   73,470x = 4,049,069,506.56
5. Step 5: Solve for x
   x = 4,049,069,506.56/73,470
6. Step 6: Final answer
   x = 55,111.88