Finding the Fourth Proportional to 43,186.96, 59,209.54 and 42,399.76

Step by Step Solution

1. Step 1: Write the proportion equation
   43,186.96 : 59,209.54 = 42,399.76 : x
2. Step 2: Convert to fraction form
   43,186.96/59,209.54 = 42,399.76/x
3. Step 3: Cross multiply
   43,186.96x = 59,209.54 × 42,399.76
4. Step 4: Simplify right side
   43,186.96x = 2,510,470,285.71
5. Step 5: Solve for x
   x = 2,510,470,285.71/43,186.96
6. Step 6: Final answer
   x = 58,130.28