Finding the Fourth Proportional to 61,279.22, 91,789.56 and 28,027.23

Step by Step Solution

1. Step 1: Write the proportion equation
   61,279.22 : 91,789.56 = 28,027.23 : x
2. Step 2: Convert to fraction form
   61,279.22/91,789.56 = 28,027.23/x
3. Step 3: Cross multiply
   61,279.22x = 91,789.56 × 28,027.23
4. Step 4: Simplify right side
   61,279.22x = 2,572,607,109.72
5. Step 5: Solve for x
   x = 2,572,607,109.72/61,279.22
6. Step 6: Final answer
   x = 41,981.72