Finding the Fourth Proportional to 10,448,141.12, 15,665,056.83 and 5,320,645.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,448,141.12 : 15,665,056.83 = 5,320,645.51 : x
2. Step 2: Convert to fraction form
   10,448,141.12/15,665,056.83 = 5,320,645.51/x
3. Step 3: Cross multiply
   10,448,141.12x = 15,665,056.83 × 5,320,645.51
4. Step 4: Simplify right side
   10,448,141.12x = 83,348,214,286,434.33
5. Step 5: Solve for x
   x = 83,348,214,286,434.33/10,448,141.12
6. Step 6: Final answer
   x = 7,977,324.71