Finding the Fourth Proportional to 45,819.58, 68,612.70 and 30,189.82

Step by Step Solution

1. Step 1: Write the proportion equation
   45,819.58 : 68,612.70 = 30,189.82 : x
2. Step 2: Convert to fraction form
   45,819.58/68,612.70 = 30,189.82/x
3. Step 3: Cross multiply
   45,819.58x = 68,612.70 × 30,189.82
4. Step 4: Simplify right side
   45,819.58x = 2,071,405,062.71
5. Step 5: Solve for x
   x = 2,071,405,062.71/45,819.58
6. Step 6: Final answer
   x = 45,207.86