Finding the Fourth Proportional to 202,555.17, 279,522.72 and 111,914.91

Step by Step Solution

1. Step 1: Write the proportion equation
   202,555.17 : 279,522.72 = 111,914.91 : x
2. Step 2: Convert to fraction form
   202,555.17/279,522.72 = 111,914.91/x
3. Step 3: Cross multiply
   202,555.17x = 279,522.72 × 111,914.91
4. Step 4: Simplify right side
   202,555.17x = 31,282,760,051.76
5. Step 5: Solve for x
   x = 31,282,760,051.76/202,555.17
6. Step 6: Final answer
   x = 154,440.69