Finding the Fourth Proportional to 10,086,637.72, 13,918,992.96 and 5,736,782.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086,637.72 : 13,918,992.96 = 5,736,782.20 : x
2. Step 2: Convert to fraction form
   10,086,637.72/13,918,992.96 = 5,736,782.20/x
3. Step 3: Cross multiply
   10,086,637.72x = 13,918,992.96 × 5,736,782.20
4. Step 4: Simplify right side
   10,086,637.72x = 79,850,231,054,853.31
5. Step 5: Solve for x
   x = 79,850,231,054,853.31/10,086,637.72
6. Step 6: Final answer
   x = 7,916,436.90