Finding the Fourth Proportional to 66,654.93, 91,993.83 and 38,355.15

Step by Step Solution

1. Step 1: Write the proportion equation
   66,654.93 : 91,993.83 = 38,355.15 : x
2. Step 2: Convert to fraction form
   66,654.93/91,993.83 = 38,355.15/x
3. Step 3: Cross multiply
   66,654.93x = 91,993.83 × 38,355.15
4. Step 4: Simplify right side
   66,654.93x = 3,528,437,148.72
5. Step 5: Solve for x
   x = 3,528,437,148.72/66,654.93
6. Step 6: Final answer
   x = 52,935.88