Finding the Fourth Proportional to 173,916.42, 262,059.25 and 143,018.56

Step by Step Solution

1. Step 1: Write the proportion equation
   173,916.42 : 262,059.25 = 143,018.56 : x
2. Step 2: Convert to fraction form
   173,916.42/262,059.25 = 143,018.56/x
3. Step 3: Cross multiply
   173,916.42x = 262,059.25 × 143,018.56
4. Step 4: Simplify right side
   173,916.42x = 37,479,336,807.87
5. Step 5: Solve for x
   x = 37,479,336,807.87/173,916.42
6. Step 6: Final answer
   x = 215,502.01