Finding the Fourth Proportional to 403,196.56, 556,179.81 and 252,031.12

Step by Step Solution

1. Step 1: Write the proportion equation
   403,196.56 : 556,179.81 = 252,031.12 : x
2. Step 2: Convert to fraction form
   403,196.56/556,179.81 = 252,031.12/x
3. Step 3: Cross multiply
   403,196.56x = 556,179.81 × 252,031.12
4. Step 4: Simplify right side
   403,196.56x = 140,174,620,435.69
5. Step 5: Solve for x
   x = 140,174,620,435.69/403,196.56
6. Step 6: Final answer
   x = 347,658.27