Finding the Fourth Proportional to 2,188,835.84, 3,281,832.64 and 909,092.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,835.84 : 3,281,832.64 = 909,092.16 : x
2. Step 2: Convert to fraction form
   2,188,835.84/3,281,832.64 = 909,092.16/x
3. Step 3: Cross multiply
   2,188,835.84x = 3,281,832.64 × 909,092.16
4. Step 4: Simplify right side
   2,188,835.84x = 2,983,488,323,456.10
5. Step 5: Solve for x
   x = 2,983,488,323,456.10/2,188,835.84
6. Step 6: Final answer
   x = 1,363,048.00