Finding the Fourth Proportional to 168,789.51, 253,146.59 and 50,445.47

Step by Step Solution

1. Step 1: Write the proportion equation
   168,789.51 : 253,146.59 = 50,445.47 : x
2. Step 2: Convert to fraction form
   168,789.51/253,146.59 = 50,445.47/x
3. Step 3: Cross multiply
   168,789.51x = 253,146.59 × 50,445.47
4. Step 4: Simplify right side
   168,789.51x = 12,770,097,193.49
5. Step 5: Solve for x
   x = 12,770,097,193.49/168,789.51
6. Step 6: Final answer
   x = 75,656.94