Finding the Fourth Proportional to 13,236,264.56, 19,855,540.52 and 3,651,643.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,236,264.56 : 19,855,540.52 = 3,651,643.08 : x
2. Step 2: Convert to fraction form
   13,236,264.56/19,855,540.52 = 3,651,643.08/x
3. Step 3: Cross multiply
   13,236,264.56x = 19,855,540.52 × 3,651,643.08
4. Step 4: Simplify right side
   13,236,264.56x = 72,505,347,229,109.30
5. Step 5: Solve for x
   x = 72,505,347,229,109.30/13,236,264.56
6. Step 6: Final answer
   x = 5,477,780.15