Finding the Fourth Proportional to 81,281.58, 112,164.06 and 45,464.67

Step by Step Solution

1. Step 1: Write the proportion equation
   81,281.58 : 112,164.06 = 45,464.67 : x
2. Step 2: Convert to fraction form
   81,281.58/112,164.06 = 45,464.67/x
3. Step 3: Cross multiply
   81,281.58x = 112,164.06 × 45,464.67
4. Step 4: Simplify right side
   81,281.58x = 5,099,501,973.76
5. Step 5: Solve for x
   x = 5,099,501,973.76/81,281.58
6. Step 6: Final answer
   x = 62,738.72