Finding the Fourth Proportional to 2,105,216, 2,905,267.20 and 1,151,360

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,216 : 2,905,267.20 = 1,151,360 : x
2. Step 2: Convert to fraction form
   2,105,216/2,905,267.20 = 1,151,360/x
3. Step 3: Cross multiply
   2,105,216x = 2,905,267.20 × 1,151,360
4. Step 4: Simplify right side
   2,105,216x = 3,345,008,443,392
5. Step 5: Solve for x
   x = 3,345,008,443,392/2,105,216
6. Step 6: Final answer
   x = 1,588,914.60