Finding the Fourth Proportional to 2,116,236, 2,920,427.10 and 1,149,385.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,236 : 2,920,427.10 = 1,149,385.18 : x
2. Step 2: Convert to fraction form
   2,116,236/2,920,427.10 = 1,149,385.18/x
3. Step 3: Cross multiply
   2,116,236x = 2,920,427.10 × 1,149,385.18
4. Step 4: Simplify right side
   2,116,236x = 3,356,695,628,010.38
5. Step 5: Solve for x
   x = 3,356,695,628,010.38/2,116,236
6. Step 6: Final answer
   x = 1,586,163.18