Finding the Fourth Proportional to 107,436.59, 161,054.71 and 36,309.49

Step by Step Solution

1. Step 1: Write the proportion equation
   107,436.59 : 161,054.71 = 36,309.49 : x
2. Step 2: Convert to fraction form
   107,436.59/161,054.71 = 36,309.49/x
3. Step 3: Cross multiply
   107,436.59x = 161,054.71 × 36,309.49
4. Step 4: Simplify right side
   107,436.59x = 5,847,814,024.95
5. Step 5: Solve for x
   x = 5,847,814,024.95/107,436.59
6. Step 6: Final answer
   x = 54,430.38