Finding the Fourth Proportional to 12,389,535.67, 18,584,669.82 and 5,913,293.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,389,535.67 : 18,584,669.82 = 5,913,293.31 : x
2. Step 2: Convert to fraction form
   12,389,535.67/18,584,669.82 = 5,913,293.31/x
3. Step 3: Cross multiply
   12,389,535.67x = 18,584,669.82 × 5,913,293.31
4. Step 4: Simplify right side
   12,389,535.67x = 109,896,603,715,164.89
5. Step 5: Solve for x
   x = 109,896,603,715,164.89/12,389,535.67
6. Step 6: Final answer
   x = 8,870,114.80