Finding the Fourth Proportional to 67,595.31, 101,403.90 and 20,837.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,595.31 : 101,403.90 = 20,837.25 : x
2. Step 2: Convert to fraction form
   67,595.31/101,403.90 = 20,837.25/x
3. Step 3: Cross multiply
   67,595.31x = 101,403.90 × 20,837.25
4. Step 4: Simplify right side
   67,595.31x = 2,112,978,415.28
5. Step 5: Solve for x
   x = 2,112,978,415.28/67,595.31
6. Step 6: Final answer
   x = 31,259.25