Finding the Fourth Proportional to 42,338.96, 63,507.52 and 12,756.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,338.96 : 63,507.52 = 12,756.14 : x
2. Step 2: Convert to fraction form
   42,338.96/63,507.52 = 12,756.14/x
3. Step 3: Cross multiply
   42,338.96x = 63,507.52 × 12,756.14
4. Step 4: Simplify right side
   42,338.96x = 810,110,816.17
5. Step 5: Solve for x
   x = 810,110,816.17/42,338.96
6. Step 6: Final answer
   x = 19,133.93