Finding the Fourth Proportional to 2,116,236.81, 2,920,428.18 and 1,149,385.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,236.81 : 2,920,428.18 = 1,149,385.98 : x
2. Step 2: Convert to fraction form
   2,116,236.81/2,920,428.18 = 1,149,385.98/x
3. Step 3: Cross multiply
   2,116,236.81x = 2,920,428.18 × 1,149,385.98
4. Step 4: Simplify right side
   2,116,236.81x = 3,356,699,205,688.92
5. Step 5: Solve for x
   x = 3,356,699,205,688.92/2,116,236.81
6. Step 6: Final answer
   x = 1,586,164.27