Finding the Fourth Proportional to 42,002.10, 62,981.27 and 19,809.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,002.10 : 62,981.27 = 19,809.52 : x
2. Step 2: Convert to fraction form
   42,002.10/62,981.27 = 19,809.52/x
3. Step 3: Cross multiply
   42,002.10x = 62,981.27 × 19,809.52
4. Step 4: Simplify right side
   42,002.10x = 1,247,628,619.76
5. Step 5: Solve for x
   x = 1,247,628,619.76/42,002.10
6. Step 6: Final answer
   x = 29,703.96