Finding the Fourth Proportional to 2,375,872.50, 3,564,164.50 and 859,910.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375,872.50 : 3,564,164.50 = 859,910.13 : x
2. Step 2: Convert to fraction form
   2,375,872.50/3,564,164.50 = 859,910.13/x
3. Step 3: Cross multiply
   2,375,872.50x = 3,564,164.50 × 859,910.13
4. Step 4: Simplify right side
   2,375,872.50x = 3,064,861,158,536.39
5. Step 5: Solve for x
   x = 3,064,861,158,536.39/2,375,872.50
6. Step 6: Final answer
   x = 1,289,993.95