Finding the Fourth Proportional to 201,186.72, 277,643.52 and 110,548.32

Step by Step Solution

1. Step 1: Write the proportion equation
   201,186.72 : 277,643.52 = 110,548.32 : x
2. Step 2: Convert to fraction form
   201,186.72/277,643.52 = 110,548.32/x
3. Step 3: Cross multiply
   201,186.72x = 277,643.52 × 110,548.32
4. Step 4: Simplify right side
   201,186.72x = 30,693,024,694.89
5. Step 5: Solve for x
   x = 30,693,024,694.89/201,186.72
6. Step 6: Final answer
   x = 152,559.89