Finding the Fourth Proportional to 2,356,321.76, 3,533,432.88 and 859,364

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356,321.76 : 3,533,432.88 = 859,364 : x
2. Step 2: Convert to fraction form
   2,356,321.76/3,533,432.88 = 859,364/x
3. Step 3: Cross multiply
   2,356,321.76x = 3,533,432.88 × 859,364
4. Step 4: Simplify right side
   2,356,321.76x = 3,036,505,013,488.32
5. Step 5: Solve for x
   x = 3,036,505,013,488.32/2,356,321.76
6. Step 6: Final answer
   x = 1,288,663.15