Finding the Fourth Proportional to 969,985.34, 1,338,116.17 and 753,644.87

Step by Step Solution

1. Step 1: Write the proportion equation
   969,985.34 : 1,338,116.17 = 753,644.87 : x
2. Step 2: Convert to fraction form
   969,985.34/1,338,116.17 = 753,644.87/x
3. Step 3: Cross multiply
   969,985.34x = 1,338,116.17 × 753,644.87
4. Step 4: Simplify right side
   969,985.34x = 1,008,464,386,984.55
5. Step 5: Solve for x
   x = 1,008,464,386,984.55/969,985.34
6. Step 6: Final answer
   x = 1,039,669.72