Finding the Fourth Proportional to 2,116,077.58, 2,920,186.38 and 1,149,208.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,077.58 : 2,920,186.38 = 1,149,208.12 : x
2. Step 2: Convert to fraction form
   2,116,077.58/2,920,186.38 = 1,149,208.12/x
3. Step 3: Cross multiply
   2,116,077.58x = 2,920,186.38 × 1,149,208.12
4. Step 4: Simplify right side
   2,116,077.58x = 3,355,901,899,809.41
5. Step 5: Solve for x
   x = 3,355,901,899,809.41/2,116,077.58
6. Step 6: Final answer
   x = 1,585,906.84