Finding the Fourth Proportional to 42,093.84, 63,151.20 and 12,511.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,093.84 : 63,151.20 = 12,511.62 : x
2. Step 2: Convert to fraction form
   42,093.84/63,151.20 = 12,511.62/x
3. Step 3: Cross multiply
   42,093.84x = 63,151.20 × 12,511.62
4. Step 4: Simplify right side
   42,093.84x = 790,123,816.94
5. Step 5: Solve for x
   x = 790,123,816.94/42,093.84
6. Step 6: Final answer
   x = 18,770.53