Finding the Fourth Proportional to 33,697.72, 46,502.42 and 18,591

Step by Step Solution

1. Step 1: Write the proportion equation
   33,697.72 : 46,502.42 = 18,591 : x
2. Step 2: Convert to fraction form
   33,697.72/46,502.42 = 18,591/x
3. Step 3: Cross multiply
   33,697.72x = 46,502.42 × 18,591
4. Step 4: Simplify right side
   33,697.72x = 864,526,490.22
5. Step 5: Solve for x
   x = 864,526,490.22/33,697.72
6. Step 6: Final answer
   x = 25,655.34