Finding the Fourth Proportional to 61,139.86, 84,371.25 and 37,257.82

Step by Step Solution

1. Step 1: Write the proportion equation
   61,139.86 : 84,371.25 = 37,257.82 : x
2. Step 2: Convert to fraction form
   61,139.86/84,371.25 = 37,257.82/x
3. Step 3: Cross multiply
   61,139.86x = 84,371.25 × 37,257.82
4. Step 4: Simplify right side
   61,139.86x = 3,143,488,774.46
5. Step 5: Solve for x
   x = 3,143,488,774.46/61,139.86
6. Step 6: Final answer
   x = 51,414.72