Finding the Fourth Proportional to 253,359.90, 380,017.98 and 75,906.72

Step by Step Solution

1. Step 1: Write the proportion equation
   253,359.90 : 380,017.98 = 75,906.72 : x
2. Step 2: Convert to fraction form
   253,359.90/380,017.98 = 75,906.72/x
3. Step 3: Cross multiply
   253,359.90x = 380,017.98 × 75,906.72
4. Step 4: Simplify right side
   253,359.90x = 28,845,918,402.83
5. Step 5: Solve for x
   x = 28,845,918,402.83/253,359.90
6. Step 6: Final answer
   x = 113,853.53