Finding the Fourth Proportional to 202,731.30, 279,757.89 and 112,081.98

Step by Step Solution

1. Step 1: Write the proportion equation
   202,731.30 : 279,757.89 = 112,081.98 : x
2. Step 2: Convert to fraction form
   202,731.30/279,757.89 = 112,081.98/x
3. Step 3: Cross multiply
   202,731.30x = 279,757.89 × 112,081.98
4. Step 4: Simplify right side
   202,731.30x = 31,355,818,231.82
5. Step 5: Solve for x
   x = 31,355,818,231.82/202,731.30
6. Step 6: Final answer
   x = 154,666.88