Finding the Fourth Proportional to 19,123,141.32, 28,682,324.28 and 7,752,665.16

Step by Step Solution

1. Step 1: Write the proportion equation
   19,123,141.32 : 28,682,324.28 = 7,752,665.16 : x
2. Step 2: Convert to fraction form
   19,123,141.32/28,682,324.28 = 7,752,665.16/x
3. Step 3: Cross multiply
   19,123,141.32x = 28,682,324.28 × 7,752,665.16
4. Step 4: Simplify right side
   19,123,141.32x = 222,364,456,153,378.09
5. Step 5: Solve for x
   x = 222,364,456,153,378.09/19,123,141.32
6. Step 6: Final answer
   x = 11,628,029.75