Finding the Fourth Proportional to 892,141.50, 1,231,140.69 and 510,155.22

Step by Step Solution

1. Step 1: Write the proportion equation
   892,141.50 : 1,231,140.69 = 510,155.22 : x
2. Step 2: Convert to fraction form
   892,141.50/1,231,140.69 = 510,155.22/x
3. Step 3: Cross multiply
   892,141.50x = 1,231,140.69 × 510,155.22
4. Step 4: Simplify right side
   892,141.50x = 628,072,849,557.90
5. Step 5: Solve for x
   x = 628,072,849,557.90/892,141.50
6. Step 6: Final answer
   x = 704,005.87