Finding the Fourth Proportional to 42,011.66, 63,017.42 and 19,510.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,011.66 : 63,017.42 = 19,510.02 : x
2. Step 2: Convert to fraction form
   42,011.66/63,017.42 = 19,510.02/x
3. Step 3: Cross multiply
   42,011.66x = 63,017.42 × 19,510.02
4. Step 4: Simplify right side
   42,011.66x = 1,229,471,124.55
5. Step 5: Solve for x
   x = 1,229,471,124.55/42,011.66
6. Step 6: Final answer
   x = 29,265.00