Finding the Fourth Proportional to 162,433.45, 243,631.55 and 42,501.99

Step by Step Solution

1. Step 1: Write the proportion equation
   162,433.45 : 243,631.55 = 42,501.99 : x
2. Step 2: Convert to fraction form
   162,433.45/243,631.55 = 42,501.99/x
3. Step 3: Cross multiply
   162,433.45x = 243,631.55 × 42,501.99
4. Step 4: Simplify right side
   162,433.45x = 10,354,825,797.37
5. Step 5: Solve for x
   x = 10,354,825,797.37/162,433.45
6. Step 6: Final answer
   x = 63,748.11