Finding the Fourth Proportional to 202,499.23, 279,447.83 and 111,861.43

Step by Step Solution

1. Step 1: Write the proportion equation
   202,499.23 : 279,447.83 = 111,861.43 : x
2. Step 2: Convert to fraction form
   202,499.23/279,447.83 = 111,861.43/x
3. Step 3: Cross multiply
   202,499.23x = 279,447.83 × 111,861.43
4. Step 4: Simplify right side
   202,499.23x = 31,259,433,314.89
5. Step 5: Solve for x
   x = 31,259,433,314.89/202,499.23
6. Step 6: Final answer
   x = 154,368.16