Finding the Fourth Proportional to 61,017.32, 84,189.38 and 37,143.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,017.32 : 84,189.38 = 37,143.72 : x
2. Step 2: Convert to fraction form
   61,017.32/84,189.38 = 37,143.72/x
3. Step 3: Cross multiply
   61,017.32x = 84,189.38 × 37,143.72
4. Step 4: Simplify right side
   61,017.32x = 3,127,106,757.69
5. Step 5: Solve for x
   x = 3,127,106,757.69/61,017.32
6. Step 6: Final answer
   x = 51,249.49