Finding the Fourth Proportional to 13,066,222.73, 19,601,950.28 and 7,317,132.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066,222.73 : 19,601,950.28 = 7,317,132.12 : x
2. Step 2: Convert to fraction form
   13,066,222.73/19,601,950.28 = 7,317,132.12/x
3. Step 3: Cross multiply
   13,066,222.73x = 19,601,950.28 × 7,317,132.12
4. Step 4: Simplify right side
   13,066,222.73x = 143,430,059,971,845.31
5. Step 5: Solve for x
   x = 143,430,059,971,845.31/13,066,222.73
6. Step 6: Final answer
   x = 10,977,163.25