Finding the Fourth Proportional to 522,810.60, 784,141.72 and 167,778.72

Step by Step Solution

1. Step 1: Write the proportion equation
   522,810.60 : 784,141.72 = 167,778.72 : x
2. Step 2: Convert to fraction form
   522,810.60/784,141.72 = 167,778.72/x
3. Step 3: Cross multiply
   522,810.60x = 784,141.72 × 167,778.72
4. Step 4: Simplify right side
   522,810.60x = 131,562,294,080.20
5. Step 5: Solve for x
   x = 131,562,294,080.20/522,810.60
6. Step 6: Final answer
   x = 251,644.27