Finding the Fourth Proportional to 42,533.96, 63,804.42 and 12,952.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,533.96 : 63,804.42 = 12,952.06 : x
2. Step 2: Convert to fraction form
   42,533.96/63,804.42 = 12,952.06/x
3. Step 3: Cross multiply
   42,533.96x = 63,804.42 × 12,952.06
4. Step 4: Simplify right side
   42,533.96x = 826,398,516.59
5. Step 5: Solve for x
   x = 826,398,516.59/42,533.96
6. Step 6: Final answer
   x = 19,429.15