Finding the Fourth Proportional to 30,906.06, 42,656.76 and 17,477.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,906.06 : 42,656.76 = 17,477.88 : x
2. Step 2: Convert to fraction form
   30,906.06/42,656.76 = 17,477.88/x
3. Step 3: Cross multiply
   30,906.06x = 42,656.76 × 17,477.88
4. Step 4: Simplify right side
   30,906.06x = 745,549,732.47
5. Step 5: Solve for x
   x = 745,549,732.47/30,906.06
6. Step 6: Final answer
   x = 24,123.09