Finding the Fourth Proportional to 201,185.99, 277,532.56 and 136,658.56

Step by Step Solution

1. Step 1: Write the proportion equation
   201,185.99 : 277,532.56 = 136,658.56 : x
2. Step 2: Convert to fraction form
   201,185.99/277,532.56 = 136,658.56/x
3. Step 3: Cross multiply
   201,185.99x = 277,532.56 × 136,658.56
4. Step 4: Simplify right side
   201,185.99x = 37,927,200,002.71
5. Step 5: Solve for x
   x = 37,927,200,002.71/201,185.99
6. Step 6: Final answer
   x = 188,518.10