Finding the Fourth Proportional to 13,004,436.80, 17,945,352.82 and 7,122,898.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,004,436.80 : 17,945,352.82 = 7,122,898.06 : x
2. Step 2: Convert to fraction form
   13,004,436.80/17,945,352.82 = 7,122,898.06/x
3. Step 3: Cross multiply
   13,004,436.80x = 17,945,352.82 × 7,122,898.06
4. Step 4: Simplify right side
   13,004,436.80x = 127,822,918,812,510.09
5. Step 5: Solve for x
   x = 127,822,918,812,510.09/13,004,436.80
6. Step 6: Final answer
   x = 9,829,177.59