Finding the Fourth Proportional to 57,726,665.04, 86,579,171.91 and 28,965,078.12

Step by Step Solution

1. Step 1: Write the proportion equation
   57,726,665.04 : 86,579,171.91 = 28,965,078.12 : x
2. Step 2: Convert to fraction form
   57,726,665.04/86,579,171.91 = 28,965,078.12/x
3. Step 3: Cross multiply
   57,726,665.04x = 86,579,171.91 × 28,965,078.12
4. Step 4: Simplify right side
   57,726,665.04x = 2,507,772,477,938,059.50
5. Step 5: Solve for x
   x = 2,507,772,477,938,059.50/57,726,665.04
6. Step 6: Final answer
   x = 43,442,185.27