Finding the Fourth Proportional to 69,443.72, 104,167.50 and 43,224.20

Step by Step Solution

1. Step 1: Write the proportion equation
   69,443.72 : 104,167.50 = 43,224.20 : x
2. Step 2: Convert to fraction form
   69,443.72/104,167.50 = 43,224.20/x
3. Step 3: Cross multiply
   69,443.72x = 104,167.50 × 43,224.20
4. Step 4: Simplify right side
   69,443.72x = 4,502,556,853.50
5. Step 5: Solve for x
   x = 4,502,556,853.50/69,443.72
6. Step 6: Final answer
   x = 64,837.50