Finding the Fourth Proportional to 89,523.45, 134,285.18 and 42,109.07

Step by Step Solution

1. Step 1: Write the proportion equation
   89,523.45 : 134,285.18 = 42,109.07 : x
2. Step 2: Convert to fraction form
   89,523.45/134,285.18 = 42,109.07/x
3. Step 3: Cross multiply
   89,523.45x = 134,285.18 × 42,109.07
4. Step 4: Simplify right side
   89,523.45x = 5,654,623,162.61
5. Step 5: Solve for x
   x = 5,654,623,162.61/89,523.45
6. Step 6: Final answer
   x = 63,163.60