Finding the Fourth Proportional to 566,105.34, 849,157.86 and 388,072.61

Step by Step Solution

1. Step 1: Write the proportion equation
   566,105.34 : 849,157.86 = 388,072.61 : x
2. Step 2: Convert to fraction form
   566,105.34/849,157.86 = 388,072.61/x
3. Step 3: Cross multiply
   566,105.34x = 849,157.86 × 388,072.61
4. Step 4: Simplify right side
   566,105.34x = 329,534,907,032.22
5. Step 5: Solve for x
   x = 329,534,907,032.22/566,105.34
6. Step 6: Final answer
   x = 582,108.81