Finding the Fourth Proportional to 81,112.96, 111,934.72 and 45,303.49

Step by Step Solution

1. Step 1: Write the proportion equation
   81,112.96 : 111,934.72 = 45,303.49 : x
2. Step 2: Convert to fraction form
   81,112.96/111,934.72 = 45,303.49/x
3. Step 3: Cross multiply
   81,112.96x = 111,934.72 × 45,303.49
4. Step 4: Simplify right side
   81,112.96x = 5,071,033,468.17
5. Step 5: Solve for x
   x = 5,071,033,468.17/81,112.96
6. Step 6: Final answer
   x = 62,518.17