Finding the Fourth Proportional to 91,841.98, 137,631.52 and 52,317.43

Step by Step Solution

1. Step 1: Write the proportion equation
   91,841.98 : 137,631.52 = 52,317.43 : x
2. Step 2: Convert to fraction form
   91,841.98/137,631.52 = 52,317.43/x
3. Step 3: Cross multiply
   91,841.98x = 137,631.52 × 52,317.43
4. Step 4: Simplify right side
   91,841.98x = 7,200,527,413.39
5. Step 5: Solve for x
   x = 7,200,527,413.39/91,841.98
6. Step 6: Final answer
   x = 78,401.27