Finding the Fourth Proportional to 81,443.06, 112,380.98 and 45,624.25

Step by Step Solution

1. Step 1: Write the proportion equation
   81,443.06 : 112,380.98 = 45,624.25 : x
2. Step 2: Convert to fraction form
   81,443.06/112,380.98 = 45,624.25/x
3. Step 3: Cross multiply
   81,443.06x = 112,380.98 × 45,624.25
4. Step 4: Simplify right side
   81,443.06x = 5,127,297,926.77
5. Step 5: Solve for x
   x = 5,127,297,926.77/81,443.06
6. Step 6: Final answer
   x = 62,955.61