Finding the Fourth Proportional to 42,411.88, 63,608.10 and 19,045

Step by Step Solution

1. Step 1: Write the proportion equation
   42,411.88 : 63,608.10 = 19,045 : x
2. Step 2: Convert to fraction form
   42,411.88/63,608.10 = 19,045/x
3. Step 3: Cross multiply
   42,411.88x = 63,608.10 × 19,045
4. Step 4: Simplify right side
   42,411.88x = 1,211,416,264.50
5. Step 5: Solve for x
   x = 1,211,416,264.50/42,411.88
6. Step 6: Final answer
   x = 28,563.14