Finding the Fourth Proportional to 34,172,596.52, 47,158,308.18 and 18,491,621.15

Step by Step Solution

1. Step 1: Write the proportion equation
   34,172,596.52 : 47,158,308.18 = 18,491,621.15 : x
2. Step 2: Convert to fraction form
   34,172,596.52/47,158,308.18 = 18,491,621.15/x
3. Step 3: Cross multiply
   34,172,596.52x = 47,158,308.18 × 18,491,621.15
4. Step 4: Simplify right side
   34,172,596.52x = 872,033,568,939,505.88
5. Step 5: Solve for x
   x = 872,033,568,939,505.88/34,172,596.52
6. Step 6: Final answer
   x = 25,518,504.82