Finding the Fourth Proportional to 122,494.86, 169,038.63 and 74,827.98

Step by Step Solution

1. Step 1: Write the proportion equation
   122,494.86 : 169,038.63 = 74,827.98 : x
2. Step 2: Convert to fraction form
   122,494.86/169,038.63 = 74,827.98/x
3. Step 3: Cross multiply
   122,494.86x = 169,038.63 × 74,827.98
4. Step 4: Simplify right side
   122,494.86x = 12,648,819,224.87
5. Step 5: Solve for x
   x = 12,648,819,224.87/122,494.86
6. Step 6: Final answer
   x = 103,260.00