Finding the Fourth Proportional to 108,780.47, 163,164.02 and 33,890.00

Step by Step Solution

1. Step 1: Write the proportion equation
   108,780.47 : 163,164.02 = 33,890.00 : x
2. Step 2: Convert to fraction form
   108,780.47/163,164.02 = 33,890.00/x
3. Step 3: Cross multiply
   108,780.47x = 163,164.02 × 33,890.00
4. Step 4: Simplify right side
   108,780.47x = 5,529,627,843.16
5. Step 5: Solve for x
   x = 5,529,627,843.16/108,780.47
6. Step 6: Final answer
   x = 50,832.91