Finding the Fourth Proportional to 73,419.06, 101,316.78 and 39,885.06

Step by Step Solution

1. Step 1: Write the proportion equation
   73,419.06 : 101,316.78 = 39,885.06 : x
2. Step 2: Convert to fraction form
   73,419.06/101,316.78 = 39,885.06/x
3. Step 3: Cross multiply
   73,419.06x = 101,316.78 × 39,885.06
4. Step 4: Simplify right side
   73,419.06x = 4,041,025,849.31
5. Step 5: Solve for x
   x = 4,041,025,849.31/73,419.06
6. Step 6: Final answer
   x = 55,040.56