Finding the Fourth Proportional to 81,088.42, 111,900.96 and 45,279.04

Step by Step Solution

1. Step 1: Write the proportion equation
   81,088.42 : 111,900.96 = 45,279.04 : x
2. Step 2: Convert to fraction form
   81,088.42/111,900.96 = 45,279.04/x
3. Step 3: Cross multiply
   81,088.42x = 111,900.96 × 45,279.04
4. Step 4: Simplify right side
   81,088.42x = 5,066,768,043.88
5. Step 5: Solve for x
   x = 5,066,768,043.88/81,088.42
6. Step 6: Final answer
   x = 62,484.48