Finding the Fourth Proportional to 277,752.58, 383,322.17 and 156,916.05

Step by Step Solution

1. Step 1: Write the proportion equation
   277,752.58 : 383,322.17 = 156,916.05 : x
2. Step 2: Convert to fraction form
   277,752.58/383,322.17 = 156,916.05/x
3. Step 3: Cross multiply
   277,752.58x = 383,322.17 × 156,916.05
4. Step 4: Simplify right side
   277,752.58x = 60,149,400,793.83
5. Step 5: Solve for x
   x = 60,149,400,793.83/277,752.58
6. Step 6: Final answer
   x = 216,557.49