Finding the Fourth Proportional to 277,710.42, 383,240.52 and 150,386.10

Step by Step Solution

1. Step 1: Write the proportion equation
   277,710.42 : 383,240.52 = 150,386.10 : x
2. Step 2: Convert to fraction form
   277,710.42/383,240.52 = 150,386.10/x
3. Step 3: Cross multiply
   277,710.42x = 383,240.52 × 150,386.10
4. Step 4: Simplify right side
   277,710.42x = 57,634,047,164.77
5. Step 5: Solve for x
   x = 57,634,047,164.77/277,710.42
6. Step 6: Final answer
   x = 207,532.89