Finding the Fourth Proportional to 13,216,715.76, 19,825,046.37 and 7,456,834.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,216,715.76 : 19,825,046.37 = 7,456,834.69 : x
2. Step 2: Convert to fraction form
   13,216,715.76/19,825,046.37 = 7,456,834.69/x
3. Step 3: Cross multiply
   13,216,715.76x = 19,825,046.37 × 7,456,834.69
4. Step 4: Simplify right side
   13,216,715.76x = 147,832,093,463,596.28
5. Step 5: Solve for x
   x = 147,832,093,463,596.28/13,216,715.76
6. Step 6: Final answer
   x = 11,185,236.64