Finding the Fourth Proportional to 13,066,216.54, 19,601,940.99 and 7,317,125.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066,216.54 : 19,601,940.99 = 7,317,125.93 : x
2. Step 2: Convert to fraction form
   13,066,216.54/19,601,940.99 = 7,317,125.93/x
3. Step 3: Cross multiply
   13,066,216.54x = 19,601,940.99 × 7,317,125.93
4. Step 4: Simplify right side
   13,066,216.54x = 143,429,870,772,702.94
5. Step 5: Solve for x
   x = 143,429,870,772,702.94/13,066,216.54
6. Step 6: Final answer
   x = 10,977,153.97