Finding the Fourth Proportional to 565,762.72, 848,580.72 and 145,048.48

Step by Step Solution

1. Step 1: Write the proportion equation
   565,762.72 : 848,580.72 = 145,048.48 : x
2. Step 2: Convert to fraction form
   565,762.72/848,580.72 = 145,048.48/x
3. Step 3: Cross multiply
   565,762.72x = 848,580.72 × 145,048.48
4. Step 4: Simplify right side
   565,762.72x = 123,085,343,593.31
5. Step 5: Solve for x
   x = 123,085,343,593.31/565,762.72
6. Step 6: Final answer
   x = 217,556.48