Finding the Fourth Proportional to 42,533.25, 63,809.37 and 12,953.37

Step by Step Solution

1. Step 1: Write the proportion equation
   42,533.25 : 63,809.37 = 12,953.37 : x
2. Step 2: Convert to fraction form
   42,533.25/63,809.37 = 12,953.37/x
3. Step 3: Cross multiply
   42,533.25x = 63,809.37 × 12,953.37
4. Step 4: Simplify right side
   42,533.25x = 826,546,259.43
5. Step 5: Solve for x
   x = 826,546,259.43/42,533.25
6. Step 6: Final answer
   x = 19,432.94