Finding the Fourth Proportional to 10,006,465.12, 13,808,933.68 and 5,422,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,006,465.12 : 13,808,933.68 = 5,422,786.50 : x
2. Step 2: Convert to fraction form
   10,006,465.12/13,808,933.68 = 5,422,786.50/x
3. Step 3: Cross multiply
   10,006,465.12x = 13,808,933.68 × 5,422,786.50
4. Step 4: Simplify right side
   10,006,465.12x = 74,882,899,056,697.69
5. Step 5: Solve for x
   x = 74,882,899,056,697.69/10,006,465.12
6. Step 6: Final answer
   x = 7,483,451.76