Finding the Fourth Proportional to 45,818.58, 68,611.20 and 30,188.82

Step by Step Solution

1. Step 1: Write the proportion equation
   45,818.58 : 68,611.20 = 30,188.82 : x
2. Step 2: Convert to fraction form
   45,818.58/68,611.20 = 30,188.82/x
3. Step 3: Cross multiply
   45,818.58x = 68,611.20 × 30,188.82
4. Step 4: Simplify right side
   45,818.58x = 2,071,291,166.78
5. Step 5: Solve for x
   x = 2,071,291,166.78/45,818.58
6. Step 6: Final answer
   x = 45,206.36