Finding the Fourth Proportional to 987,339.72, 1,362,528.82 and 534,630.72

Step by Step Solution

1. Step 1: Write the proportion equation
   987,339.72 : 1,362,528.82 = 534,630.72 : x
2. Step 2: Convert to fraction form
   987,339.72/1,362,528.82 = 534,630.72/x
3. Step 3: Cross multiply
   987,339.72x = 1,362,528.82 × 534,630.72
4. Step 4: Simplify right side
   987,339.72x = 728,449,764,057.35
5. Step 5: Solve for x
   x = 728,449,764,057.35/987,339.72
6. Step 6: Final answer
   x = 737,790.40