Finding the Fourth Proportional to 81,071.16, 111,873.50 and 45,263.43

Step by Step Solution

1. Step 1: Write the proportion equation
   81,071.16 : 111,873.50 = 45,263.43 : x
2. Step 2: Convert to fraction form
   81,071.16/111,873.50 = 45,263.43/x
3. Step 3: Cross multiply
   81,071.16x = 111,873.50 × 45,263.43
4. Step 4: Simplify right side
   81,071.16x = 5,063,778,109.79
5. Step 5: Solve for x
   x = 5,063,778,109.79/81,071.16
6. Step 6: Final answer
   x = 62,460.91