Finding the Fourth Proportional to 11,560,105.64, 17,345,538.47 and 5,174,678.00

Step by Step Solution

1. Step 1: Write the proportion equation
   11,560,105.64 : 17,345,538.47 = 5,174,678.00 : x
2. Step 2: Convert to fraction form
   11,560,105.64/17,345,538.47 = 5,174,678.00/x
3. Step 3: Cross multiply
   11,560,105.64x = 17,345,538.47 × 5,174,678.00
4. Step 4: Simplify right side
   11,560,105.64x = 89,757,576,245,071.67
5. Step 5: Solve for x
   x = 89,757,576,245,071.67/11,560,105.64
6. Step 6: Final answer
   x = 7,764,425.26