Finding the Fourth Proportional to 510,541.50, 766,162.20 and 178,117.50

Step by Step Solution

1. Step 1: Write the proportion equation
   510,541.50 : 766,162.20 = 178,117.50 : x
2. Step 2: Convert to fraction form
   510,541.50/766,162.20 = 178,117.50/x
3. Step 3: Cross multiply
   510,541.50x = 766,162.20 × 178,117.50
4. Step 4: Simplify right side
   510,541.50x = 136,466,895,658.50
5. Step 5: Solve for x
   x = 136,466,895,658.50/510,541.50
6. Step 6: Final answer
   x = 267,298.34