Finding the Fourth Proportional to 111,413.60, 167,268.72 and 64,700

Step by Step Solution

1. Step 1: Write the proportion equation
   111,413.60 : 167,268.72 = 64,700 : x
2. Step 2: Convert to fraction form
   111,413.60/167,268.72 = 64,700/x
3. Step 3: Cross multiply
   111,413.60x = 167,268.72 × 64,700
4. Step 4: Simplify right side
   111,413.60x = 10,822,286,184
5. Step 5: Solve for x
   x = 10,822,286,184/111,413.60
6. Step 6: Final answer
   x = 97,136.13