Finding the Fourth Proportional to 39,585,196.20, 54,595,182.78 and 27,863,268.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,585,196.20 : 54,595,182.78 = 27,863,268.72 : x
2. Step 2: Convert to fraction form
   39,585,196.20/54,595,182.78 = 27,863,268.72/x
3. Step 3: Cross multiply
   39,585,196.20x = 54,595,182.78 × 27,863,268.72
4. Step 4: Simplify right side
   39,585,196.20x = 1,521,200,248,616,656.50
5. Step 5: Solve for x
   x = 1,521,200,248,616,656.50/39,585,196.20
6. Step 6: Final answer
   x = 38,428,513.55