Finding the Fourth Proportional to 7,387,086.31, 11,084,138.38 and 5,116,105.51

Step by Step Solution

1. Step 1: Write the proportion equation
   7,387,086.31 : 11,084,138.38 = 5,116,105.51 : x
2. Step 2: Convert to fraction form
   7,387,086.31/11,084,138.38 = 5,116,105.51/x
3. Step 3: Cross multiply
   7,387,086.31x = 11,084,138.38 × 5,116,105.51
4. Step 4: Simplify right side
   7,387,086.31x = 56,707,621,418,205.26
5. Step 5: Solve for x
   x = 56,707,621,418,205.26/7,387,086.31
6. Step 6: Final answer
   x = 7,676,588.45