Finding the Fourth Proportional to 45,659.32, 68,483.52 and 12,377.32

Step by Step Solution

1. Step 1: Write the proportion equation
   45,659.32 : 68,483.52 = 12,377.32 : x
2. Step 2: Convert to fraction form
   45,659.32/68,483.52 = 12,377.32/x
3. Step 3: Cross multiply
   45,659.32x = 68,483.52 × 12,377.32
4. Step 4: Simplify right side
   45,659.32x = 847,642,441.77
5. Step 5: Solve for x
   x = 847,642,441.77/45,659.32
6. Step 6: Final answer
   x = 18,564.50