Finding the Fourth Proportional to 30,970.30, 42,737.74 and 17,541.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,970.30 : 42,737.74 = 17,541.72 : x
2. Step 2: Convert to fraction form
   30,970.30/42,737.74 = 17,541.72/x
3. Step 3: Cross multiply
   30,970.30x = 42,737.74 × 17,541.72
4. Step 4: Simplify right side
   30,970.30x = 749,693,468.51
5. Step 5: Solve for x
   x = 749,693,468.51/30,970.30
6. Step 6: Final answer
   x = 24,206.85