Finding the Fourth Proportional to 151,365.50, 208,890.87 and 84,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,365.50 : 208,890.87 = 84,297.50 : x
2. Step 2: Convert to fraction form
   151,365.50/208,890.87 = 84,297.50/x
3. Step 3: Cross multiply
   151,365.50x = 208,890.87 × 84,297.50
4. Step 4: Simplify right side
   151,365.50x = 17,608,978,113.83
5. Step 5: Solve for x
   x = 17,608,978,113.83/151,365.50
6. Step 6: Final answer
   x = 116,334.16