Finding the Fourth Proportional to 164,100.78, 246,129.29 and 45,762.21

Step by Step Solution

1. Step 1: Write the proportion equation
   164,100.78 : 246,129.29 = 45,762.21 : x
2. Step 2: Convert to fraction form
   164,100.78/246,129.29 = 45,762.21/x
3. Step 3: Cross multiply
   164,100.78x = 246,129.29 × 45,762.21
4. Step 4: Simplify right side
   164,100.78x = 11,263,419,139.89
5. Step 5: Solve for x
   x = 11,263,419,139.89/164,100.78
6. Step 6: Final answer
   x = 68,637.21