Finding the Fourth Proportional to 13,066,216.27, 19,601,940.63 and 7,317,125.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066,216.27 : 19,601,940.63 = 7,317,125.71 : x
2. Step 2: Convert to fraction form
   13,066,216.27/19,601,940.63 = 7,317,125.71/x
3. Step 3: Cross multiply
   13,066,216.27x = 19,601,940.63 × 7,317,125.71
4. Step 4: Simplify right side
   13,066,216.27x = 143,429,863,749,666.59
5. Step 5: Solve for x
   x = 143,429,863,749,666.59/13,066,216.27
6. Step 6: Final answer
   x = 10,977,153.66