Finding the Fourth Proportional to 463,746.72, 695,719.68 and 143,892

Step by Step Solution

1. Step 1: Write the proportion equation
   463,746.72 : 695,719.68 = 143,892 : x
2. Step 2: Convert to fraction form
   463,746.72/695,719.68 = 143,892/x
3. Step 3: Cross multiply
   463,746.72x = 695,719.68 × 143,892
4. Step 4: Simplify right side
   463,746.72x = 100,108,496,194.56
5. Step 5: Solve for x
   x = 100,108,496,194.56/463,746.72
6. Step 6: Final answer
   x = 215,868.90