Finding the Fourth Proportional to 65,225.69, 89,336.98 and 61,395.71

Step by Step Solution

1. Step 1: Write the proportion equation
   65,225.69 : 89,336.98 = 61,395.71 : x
2. Step 2: Convert to fraction form
   65,225.69/89,336.98 = 61,395.71/x
3. Step 3: Cross multiply
   65,225.69x = 89,336.98 × 61,395.71
4. Step 4: Simplify right side
   65,225.69x = 5,484,907,316.36
5. Step 5: Solve for x
   x = 5,484,907,316.36/65,225.69
6. Step 6: Final answer
   x = 84,091.21