Finding the Fourth Proportional to 42,096.24, 63,154.76 and 12,513.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,096.24 : 63,154.76 = 12,513.94 : x
2. Step 2: Convert to fraction form
   42,096.24/63,154.76 = 12,513.94/x
3. Step 3: Cross multiply
   42,096.24x = 63,154.76 × 12,513.94
4. Step 4: Simplify right side
   42,096.24x = 790,314,656.90
5. Step 5: Solve for x
   x = 790,314,656.90/42,096.24
6. Step 6: Final answer
   x = 18,774.00