Finding the Fourth Proportional to 1,240,116.09, 1,711,228.01 and 696,311.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,240,116.09 : 1,711,228.01 = 696,311.25 : x
2. Step 2: Convert to fraction form
   1,240,116.09/1,711,228.01 = 696,311.25/x
3. Step 3: Cross multiply
   1,240,116.09x = 1,711,228.01 × 696,311.25
4. Step 4: Simplify right side
   1,240,116.09x = 1,191,547,311,196.56
5. Step 5: Solve for x
   x = 1,191,547,311,196.56/1,240,116.09
6. Step 6: Final answer
   x = 960,835.30