Finding the Fourth Proportional to 10,139,122.62, 13,992,549.53 and 5,789,606.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,139,122.62 : 13,992,549.53 = 5,789,606.09 : x
2. Step 2: Convert to fraction form
   10,139,122.62/13,992,549.53 = 5,789,606.09/x
3. Step 3: Cross multiply
   10,139,122.62x = 13,992,549.53 × 5,789,606.09
4. Step 4: Simplify right side
   10,139,122.62x = 81,011,349,874,603.86
5. Step 5: Solve for x
   x = 81,011,349,874,603.86/10,139,122.62
6. Step 6: Final answer
   x = 7,989,976.34