Finding the Fourth Proportional to 651,111.89, 976,658.72 and 395,005.48

Step by Step Solution

1. Step 1: Write the proportion equation
   651,111.89 : 976,658.72 = 395,005.48 : x
2. Step 2: Convert to fraction form
   651,111.89/976,658.72 = 395,005.48/x
3. Step 3: Cross multiply
   651,111.89x = 976,658.72 × 395,005.48
4. Step 4: Simplify right side
   651,111.89x = 385,785,542,073.11
5. Step 5: Solve for x
   x = 385,785,542,073.11/651,111.89
6. Step 6: Final answer
   x = 592,502.69