Finding the Fourth Proportional to 42,598.88, 63,906.53 and 19,225.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,598.88 : 63,906.53 = 19,225.31 : x
2. Step 2: Convert to fraction form
   42,598.88/63,906.53 = 19,225.31/x
3. Step 3: Cross multiply
   42,598.88x = 63,906.53 × 19,225.31
4. Step 4: Simplify right side
   42,598.88x = 1,228,622,913.91
5. Step 5: Solve for x
   x = 1,228,622,913.91/42,598.88
6. Step 6: Final answer
   x = 28,841.68