Finding the Fourth Proportional to 113,345.19, 156,413.84 and 65,597.58

Step by Step Solution

1. Step 1: Write the proportion equation
   113,345.19 : 156,413.84 = 65,597.58 : x
2. Step 2: Convert to fraction form
   113,345.19/156,413.84 = 65,597.58/x
3. Step 3: Cross multiply
   113,345.19x = 156,413.84 × 65,597.58
4. Step 4: Simplify right side
   113,345.19x = 10,260,369,054.52
5. Step 5: Solve for x
   x = 10,260,369,054.52/113,345.19
6. Step 6: Final answer
   x = 90,523.20