Finding the Fourth Proportional to 92,826.88, 139,288.32 and 46,078.72

Step by Step Solution

1. Step 1: Write the proportion equation
   92,826.88 : 139,288.32 = 46,078.72 : x
2. Step 2: Convert to fraction form
   92,826.88/139,288.32 = 46,078.72/x
3. Step 3: Cross multiply
   92,826.88x = 139,288.32 × 46,078.72
4. Step 4: Simplify right side
   92,826.88x = 6,418,227,496.55
5. Step 5: Solve for x
   x = 6,418,227,496.55/92,826.88
6. Step 6: Final answer
   x = 69,141.91