Finding the Fourth Proportional to 10,139,055.87, 13,992,457.41 and 5,789,539.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,139,055.87 : 13,992,457.41 = 5,789,539.34 : x
2. Step 2: Convert to fraction form
   10,139,055.87/13,992,457.41 = 5,789,539.34/x
3. Step 3: Cross multiply
   10,139,055.87x = 13,992,457.41 × 5,789,539.34
4. Step 4: Simplify right side
   10,139,055.87x = 81,009,882,568,507.22
5. Step 5: Solve for x
   x = 81,009,882,568,507.22/10,139,055.87
6. Step 6: Final answer
   x = 7,989,884.23