Finding the Fourth Proportional to 11,631,899.24, 17,439,769.07 and 5,151,443.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,631,899.24 : 17,439,769.07 = 5,151,443.21 : x
2. Step 2: Convert to fraction form
   11,631,899.24/17,439,769.07 = 5,151,443.21/x
3. Step 3: Cross multiply
   11,631,899.24x = 17,439,769.07 × 5,151,443.21
4. Step 4: Simplify right side
   11,631,899.24x = 89,839,979,846,663.47
5. Step 5: Solve for x
   x = 89,839,979,846,663.47/11,631,899.24
6. Step 6: Final answer
   x = 7,723,586.50