Finding the Fourth Proportional to 277,711.56, 382,978.69 and 191,532.83

Step by Step Solution

1. Step 1: Write the proportion equation
   277,711.56 : 382,978.69 = 191,532.83 : x
2. Step 2: Convert to fraction form
   277,711.56/382,978.69 = 191,532.83/x
3. Step 3: Cross multiply
   277,711.56x = 382,978.69 × 191,532.83
4. Step 4: Simplify right side
   277,711.56x = 73,352,989,931.67
5. Step 5: Solve for x
   x = 73,352,989,931.67/277,711.56
6. Step 6: Final answer
   x = 264,133.73