Finding the Fourth Proportional to 122,453.86, 169,066.05 and 74,734.89

Step by Step Solution

1. Step 1: Write the proportion equation
   122,453.86 : 169,066.05 = 74,734.89 : x
2. Step 2: Convert to fraction form
   122,453.86/169,066.05 = 74,734.89/x
3. Step 3: Cross multiply
   122,453.86x = 169,066.05 × 74,734.89
4. Step 4: Simplify right side
   122,453.86x = 12,635,132,649.48
5. Step 5: Solve for x
   x = 12,635,132,649.48/122,453.86
6. Step 6: Final answer
   x = 103,182.80