Finding the Fourth Proportional to 42,209.72, 63,323.94 and 15,914.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,209.72 : 63,323.94 = 15,914.70 : x
2. Step 2: Convert to fraction form
   42,209.72/63,323.94 = 15,914.70/x
3. Step 3: Cross multiply
   42,209.72x = 63,323.94 × 15,914.70
4. Step 4: Simplify right side
   42,209.72x = 1,007,781,507.92
5. Step 5: Solve for x
   x = 1,007,781,507.92/42,209.72
6. Step 6: Final answer
   x = 23,875.58