Finding the Fourth Proportional to 82,890.47, 114,388.87 and 45,164.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,890.47 : 114,388.87 = 45,164.72 : x
2. Step 2: Convert to fraction form
   82,890.47/114,388.87 = 45,164.72/x
3. Step 3: Cross multiply
   82,890.47x = 114,388.87 × 45,164.72
4. Step 4: Simplify right side
   82,890.47x = 5,166,341,457.73
5. Step 5: Solve for x
   x = 5,166,341,457.73/82,890.47
6. Step 6: Final answer
   x = 62,327.33