Finding the Fourth Proportional to 162,155.01, 243,245.48 and 56,997.57

Step by Step Solution

1. Step 1: Write the proportion equation
   162,155.01 : 243,245.48 = 56,997.57 : x
2. Step 2: Convert to fraction form
   162,155.01/243,245.48 = 56,997.57/x
3. Step 3: Cross multiply
   162,155.01x = 243,245.48 × 56,997.57
4. Step 4: Simplify right side
   162,155.01x = 13,864,400,988.50
5. Step 5: Solve for x
   x = 13,864,400,988.50/162,155.01
6. Step 6: Final answer
   x = 85,500.91