Finding the Fourth Proportional to 202,507.98, 279,459.90 and 111,870.18

Step by Step Solution

1. Step 1: Write the proportion equation
   202,507.98 : 279,459.90 = 111,870.18 : x
2. Step 2: Convert to fraction form
   202,507.98/279,459.90 = 111,870.18/x
3. Step 3: Cross multiply
   202,507.98x = 279,459.90 × 111,870.18
4. Step 4: Simplify right side
   202,507.98x = 31,263,229,315.78
5. Step 5: Solve for x
   x = 31,263,229,315.78/202,507.98
6. Step 6: Final answer
   x = 154,380.23