Finding the Fourth Proportional to 776,384.42, 1,164,814.32 and 397,573.36

Step by Step Solution

1. Step 1: Write the proportion equation
   776,384.42 : 1,164,814.32 = 397,573.36 : x
2. Step 2: Convert to fraction form
   776,384.42/1,164,814.32 = 397,573.36/x
3. Step 3: Cross multiply
   776,384.42x = 1,164,814.32 × 397,573.36
4. Step 4: Simplify right side
   776,384.42x = 463,099,142,978.52
5. Step 5: Solve for x
   x = 463,099,142,978.52/776,384.42
6. Step 6: Final answer
   x = 596,481.76