Finding the Fourth Proportional to 1,116,298.45, 1,540,499.88 and 606,997.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,298.45 : 1,540,499.88 = 606,997.18 : x
2. Step 2: Convert to fraction form
   1,116,298.45/1,540,499.88 = 606,997.18/x
3. Step 3: Cross multiply
   1,116,298.45x = 1,540,499.88 × 606,997.18
4. Step 4: Simplify right side
   1,116,298.45x = 935,079,082,950.34
5. Step 5: Solve for x
   x = 935,079,082,950.34/1,116,298.45
6. Step 6: Final answer
   x = 837,660.47