Finding the Fourth Proportional to 7,128,857.91, 10,689,016.29 and 2,269,065.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,128,857.91 : 10,689,016.29 = 2,269,065.09 : x
2. Step 2: Convert to fraction form
   7,128,857.91/10,689,016.29 = 2,269,065.09/x
3. Step 3: Cross multiply
   7,128,857.91x = 10,689,016.29 × 2,269,065.09
4. Step 4: Simplify right side
   7,128,857.91x = 24,254,073,710,080.31
5. Step 5: Solve for x
   x = 24,254,073,710,080.31/7,128,857.91
6. Step 6: Final answer
   x = 3,402,238.34