Finding the Fourth Proportional to 40,108.68, 55,316.52 and 30,061.08

Step by Step Solution

1. Step 1: Write the proportion equation
   40,108.68 : 55,316.52 = 30,061.08 : x
2. Step 2: Convert to fraction form
   40,108.68/55,316.52 = 30,061.08/x
3. Step 3: Cross multiply
   40,108.68x = 55,316.52 × 30,061.08
4. Step 4: Simplify right side
   40,108.68x = 1,662,874,333.04
5. Step 5: Solve for x
   x = 1,662,874,333.04/40,108.68
6. Step 6: Final answer
   x = 41,459.21