Finding the Fourth Proportional to 122,548.86, 169,113.06 and 74,881.98

Step by Step Solution

1. Step 1: Write the proportion equation
   122,548.86 : 169,113.06 = 74,881.98 : x
2. Step 2: Convert to fraction form
   122,548.86/169,113.06 = 74,881.98/x
3. Step 3: Cross multiply
   122,548.86x = 169,113.06 × 74,881.98
4. Step 4: Simplify right side
   122,548.86x = 12,663,520,776.66
5. Step 5: Solve for x
   x = 12,663,520,776.66/122,548.86
6. Step 6: Final answer
   x = 103,334.46