Finding the Fourth Proportional to 968,665.40, 1,336,737.39 and 560,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   968,665.40 : 1,336,737.39 = 560,784.50 : x
2. Step 2: Convert to fraction form
   968,665.40/1,336,737.39 = 560,784.50/x
3. Step 3: Cross multiply
   968,665.40x = 1,336,737.39 × 560,784.50
4. Step 4: Simplify right side
   968,665.40x = 749,621,602,198.77
5. Step 5: Solve for x
   x = 749,621,602,198.77/968,665.40
6. Step 6: Final answer
   x = 773,870.53