Finding the Fourth Proportional to 42,173.39, 58,242.86 and 36,480.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,173.39 : 58,242.86 = 36,480.80 : x
2. Step 2: Convert to fraction form
   42,173.39/58,242.86 = 36,480.80/x
3. Step 3: Cross multiply
   42,173.39x = 58,242.86 × 36,480.80
4. Step 4: Simplify right side
   42,173.39x = 2,124,746,090.29
5. Step 5: Solve for x
   x = 2,124,746,090.29/42,173.39
6. Step 6: Final answer
   x = 50,381.21