Finding the Fourth Proportional to 73,290.05, 101,140.25 and 39,756.05

Step by Step Solution

1. Step 1: Write the proportion equation
   73,290.05 : 101,140.25 = 39,756.05 : x
2. Step 2: Convert to fraction form
   73,290.05/101,140.25 = 39,756.05/x
3. Step 3: Cross multiply
   73,290.05x = 101,140.25 × 39,756.05
4. Step 4: Simplify right side
   73,290.05x = 4,020,936,510.81
5. Step 5: Solve for x
   x = 4,020,936,510.81/73,290.05
6. Step 6: Final answer
   x = 54,863.34