Finding the Fourth Proportional to 30,499.37, 42,089.13 and 17,070.62

Step by Step Solution

1. Step 1: Write the proportion equation
   30,499.37 : 42,089.13 = 17,070.62 : x
2. Step 2: Convert to fraction form
   30,499.37/42,089.13 = 17,070.62/x
3. Step 3: Cross multiply
   30,499.37x = 42,089.13 × 17,070.62
4. Step 4: Simplify right side
   30,499.37x = 718,487,544.36
5. Step 5: Solve for x
   x = 718,487,544.36/30,499.37
6. Step 6: Final answer
   x = 23,557.46