Finding the Fourth Proportional to 10,139,111.85, 13,991,958.02 and 5,493,015.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,139,111.85 : 13,991,958.02 = 5,493,015.34 : x
2. Step 2: Convert to fraction form
   10,139,111.85/13,991,958.02 = 5,493,015.34/x
3. Step 3: Cross multiply
   10,139,111.85x = 13,991,958.02 × 5,493,015.34
4. Step 4: Simplify right side
   10,139,111.85x = 76,858,040,019,248.69
5. Step 5: Solve for x
   x = 76,858,040,019,248.69/10,139,111.85
6. Step 6: Final answer
   x = 7,580,352.32