Finding the Fourth Proportional to 10,016,348.09, 13,822,561.28 and 5,665,340.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,016,348.09 : 13,822,561.28 = 5,665,340.75 : x
2. Step 2: Convert to fraction form
   10,016,348.09/13,822,561.28 = 5,665,340.75/x
3. Step 3: Cross multiply
   10,016,348.09x = 13,822,561.28 × 5,665,340.75
4. Step 4: Simplify right side
   10,016,348.09x = 78,309,519,688,956.16
5. Step 5: Solve for x
   x = 78,309,519,688,956.16/10,016,348.09
6. Step 6: Final answer
   x = 7,818,170.75