Finding the Fourth Proportional to 109,889.39, 151,666.78 and 64,567.37

Step by Step Solution

1. Step 1: Write the proportion equation
   109,889.39 : 151,666.78 = 64,567.37 : x
2. Step 2: Convert to fraction form
   109,889.39/151,666.78 = 64,567.37/x
3. Step 3: Cross multiply
   109,889.39x = 151,666.78 × 64,567.37
4. Step 4: Simplify right side
   109,889.39x = 9,792,724,181.22
5. Step 5: Solve for x
   x = 9,792,724,181.22/109,889.39
6. Step 6: Final answer
   x = 89,114.37