Finding the Fourth Proportional to 309,798.72, 464,688.36 and 88,182.72

Step by Step Solution

1. Step 1: Write the proportion equation
   309,798.72 : 464,688.36 = 88,182.72 : x
2. Step 2: Convert to fraction form
   309,798.72/464,688.36 = 88,182.72/x
3. Step 3: Cross multiply
   309,798.72x = 464,688.36 × 88,182.72
4. Step 4: Simplify right side
   309,798.72x = 40,977,483,537.14
5. Step 5: Solve for x
   x = 40,977,483,537.14/309,798.72
6. Step 6: Final answer
   x = 132,271.31