Finding the Fourth Proportional to 108,483.16, 162,764.76 and 45,309.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,483.16 : 162,764.76 = 45,309.88 : x
2. Step 2: Convert to fraction form
   108,483.16/162,764.76 = 45,309.88/x
3. Step 3: Cross multiply
   108,483.16x = 162,764.76 × 45,309.88
4. Step 4: Simplify right side
   108,483.16x = 7,374,851,743.83
5. Step 5: Solve for x
   x = 7,374,851,743.83/108,483.16
6. Step 6: Final answer
   x = 67,981.54