Finding the Fourth Proportional to 11,518,857.72, 17,271,601.95 and 5,453,538.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,518,857.72 : 17,271,601.95 = 5,453,538.23 : x
2. Step 2: Convert to fraction form
   11,518,857.72/17,271,601.95 = 5,453,538.23/x
3. Step 3: Cross multiply
   11,518,857.72x = 17,271,601.95 × 5,453,538.23
4. Step 4: Simplify right side
   11,518,857.72x = 94,191,341,591,297.31
5. Step 5: Solve for x
   x = 94,191,341,591,297.31/11,518,857.72
6. Step 6: Final answer
   x = 8,177,142.55