Finding the Fourth Proportional to 74,498.42, 111,747.34 and 30,124.64

Step by Step Solution

1. Step 1: Write the proportion equation
   74,498.42 : 111,747.34 = 30,124.64 : x
2. Step 2: Convert to fraction form
   74,498.42/111,747.34 = 30,124.64/x
3. Step 3: Cross multiply
   74,498.42x = 111,747.34 × 30,124.64
4. Step 4: Simplify right side
   74,498.42x = 3,366,348,388.46
5. Step 5: Solve for x
   x = 3,366,348,388.46/74,498.42
6. Step 6: Final answer
   x = 45,186.84