Finding the Fourth Proportional to 35,061.99, 52,612.12 and 20,299.74

Step by Step Solution

1. Step 1: Write the proportion equation
   35,061.99 : 52,612.12 = 20,299.74 : x
2. Step 2: Convert to fraction form
   35,061.99/52,612.12 = 20,299.74/x
3. Step 3: Cross multiply
   35,061.99x = 52,612.12 × 20,299.74
4. Step 4: Simplify right side
   35,061.99x = 1,068,012,356.85
5. Step 5: Solve for x
   x = 1,068,012,356.85/35,061.99
6. Step 6: Final answer
   x = 30,460.69