Finding the Fourth Proportional to 2,385,429.76, 3,578,128.20 and 965,465.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385,429.76 : 3,578,128.20 = 965,465.32 : x
2. Step 2: Convert to fraction form
   2,385,429.76/3,578,128.20 = 965,465.32/x
3. Step 3: Cross multiply
   2,385,429.76x = 3,578,128.20 × 965,465.32
4. Step 4: Simplify right side
   2,385,429.76x = 3,454,558,687,614.02
5. Step 5: Solve for x
   x = 3,454,558,687,614.02/2,385,429.76
6. Step 6: Final answer
   x = 1,448,191.33