Finding the Fourth Proportional to 202,253.57, 279,097.89 and 111,618.06

Step by Step Solution

1. Step 1: Write the proportion equation
   202,253.57 : 279,097.89 = 111,618.06 : x
2. Step 2: Convert to fraction form
   202,253.57/279,097.89 = 111,618.06/x
3. Step 3: Cross multiply
   202,253.57x = 279,097.89 × 111,618.06
4. Step 4: Simplify right side
   202,253.57x = 31,152,365,031.89
5. Step 5: Solve for x
   x = 31,152,365,031.89/202,253.57
6. Step 6: Final answer
   x = 154,026.28