Finding the Fourth Proportional to 201,065.71, 277,475.59 and 109,188.93

Step by Step Solution

1. Step 1: Write the proportion equation
   201,065.71 : 277,475.59 = 109,188.93 : x
2. Step 2: Convert to fraction form
   201,065.71/277,475.59 = 109,188.93/x
3. Step 3: Cross multiply
   201,065.71x = 277,475.59 × 109,188.93
4. Step 4: Simplify right side
   201,065.71x = 30,297,262,773.22
5. Step 5: Solve for x
   x = 30,297,262,773.22/201,065.71
6. Step 6: Final answer
   x = 150,683.39