Finding the Fourth Proportional to 81,066.72, 111,867.38 and 45,259.00

Step by Step Solution

1. Step 1: Write the proportion equation
   81,066.72 : 111,867.38 = 45,259.00 : x
2. Step 2: Convert to fraction form
   81,066.72/111,867.38 = 45,259.00/x
3. Step 3: Cross multiply
   81,066.72x = 111,867.38 × 45,259.00
4. Step 4: Simplify right side
   81,066.72x = 5,063,006,044.43
5. Step 5: Solve for x
   x = 5,063,006,044.43/81,066.72
6. Step 6: Final answer
   x = 62,454.80