Finding the Fourth Proportional to 74,345.82, 102,597.32 and 40,354.31

Step by Step Solution

1. Step 1: Write the proportion equation
   74,345.82 : 102,597.32 = 40,354.31 : x
2. Step 2: Convert to fraction form
   74,345.82/102,597.32 = 40,354.31/x
3. Step 3: Cross multiply
   74,345.82x = 102,597.32 × 40,354.31
4. Step 4: Simplify right side
   74,345.82x = 4,140,244,413.83
5. Step 5: Solve for x
   x = 4,140,244,413.83/74,345.82
6. Step 6: Final answer
   x = 55,689.00