Finding the Fourth Proportional to 42,002.01, 63,002.61 and 19,803.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,002.01 : 63,002.61 = 19,803.15 : x
2. Step 2: Convert to fraction form
   42,002.01/63,002.61 = 19,803.15/x
3. Step 3: Cross multiply
   42,002.01x = 63,002.61 × 19,803.15
4. Step 4: Simplify right side
   42,002.01x = 1,247,650,136.22
5. Step 5: Solve for x
   x = 1,247,650,136.22/42,002.01
6. Step 6: Final answer
   x = 29,704.53