Finding the Fourth Proportional to 39,164.83, 54,047.52 and 21,259.82

Step by Step Solution

1. Step 1: Write the proportion equation
   39,164.83 : 54,047.52 = 21,259.82 : x
2. Step 2: Convert to fraction form
   39,164.83/54,047.52 = 21,259.82/x
3. Step 3: Cross multiply
   39,164.83x = 54,047.52 × 21,259.82
4. Step 4: Simplify right side
   39,164.83x = 1,149,040,681.77
5. Step 5: Solve for x
   x = 1,149,040,681.77/39,164.83
6. Step 6: Final answer
   x = 29,338.59