Finding the Fourth Proportional to 122,493.86, 169,037.25 and 74,826.98

Step by Step Solution

1. Step 1: Write the proportion equation
   122,493.86 : 169,037.25 = 74,826.98 : x
2. Step 2: Convert to fraction form
   122,493.86/169,037.25 = 74,826.98/x
3. Step 3: Cross multiply
   122,493.86x = 169,037.25 × 74,826.98
4. Step 4: Simplify right side
   122,493.86x = 12,648,546,925.01
5. Step 5: Solve for x
   x = 12,648,546,925.01/122,493.86
6. Step 6: Final answer
   x = 103,258.62