Finding the Fourth Proportional to 11,591,074.80, 17,379,700.20 and 7,106,569.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,591,074.80 : 17,379,700.20 = 7,106,569.20 : x
2. Step 2: Convert to fraction form
   11,591,074.80/17,379,700.20 = 7,106,569.20/x
3. Step 3: Cross multiply
   11,591,074.80x = 17,379,700.20 × 7,106,569.20
4. Step 4: Simplify right side
   11,591,074.80x = 123,510,042,146,553.84
5. Step 5: Solve for x
   x = 123,510,042,146,553.84/11,591,074.80
6. Step 6: Final answer
   x = 10,655,616.00