Finding the Fourth Proportional to 75,875.82, 113,784.57 and 52,431.18

Step by Step Solution

1. Step 1: Write the proportion equation
   75,875.82 : 113,784.57 = 52,431.18 : x
2. Step 2: Convert to fraction form
   75,875.82/113,784.57 = 52,431.18/x
3. Step 3: Cross multiply
   75,875.82x = 113,784.57 × 52,431.18
4. Step 4: Simplify right side
   75,875.82x = 5,965,859,270.89
5. Step 5: Solve for x
   x = 5,965,859,270.89/75,875.82
6. Step 6: Final answer
   x = 78,626.62