Finding the Fourth Proportional to 10,139,057.37, 13,992,459.48 and 5,789,540.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,139,057.37 : 13,992,459.48 = 5,789,540.84 : x
2. Step 2: Convert to fraction form
   10,139,057.37/13,992,459.48 = 5,789,540.84/x
3. Step 3: Cross multiply
   10,139,057.37x = 13,992,459.48 × 5,789,540.84
4. Step 4: Simplify right side
   10,139,057.37x = 81,009,915,541,542.88
5. Step 5: Solve for x
   x = 81,009,915,541,542.88/10,139,057.37
6. Step 6: Final answer
   x = 7,989,886.30