Finding the Fourth Proportional to 33,155.50, 49,753.98 and 13,434.16

Step by Step Solution

1. Step 1: Write the proportion equation
   33,155.50 : 49,753.98 = 13,434.16 : x
2. Step 2: Convert to fraction form
   33,155.50/49,753.98 = 13,434.16/x
3. Step 3: Cross multiply
   33,155.50x = 49,753.98 × 13,434.16
4. Step 4: Simplify right side
   33,155.50x = 668,402,927.96
5. Step 5: Solve for x
   x = 668,402,927.96/33,155.50
6. Step 6: Final answer
   x = 20,159.64