Finding the Fourth Proportional to 76,514.63, 105,590.09 and 42,522.04

Step by Step Solution

1. Step 1: Write the proportion equation
   76,514.63 : 105,590.09 = 42,522.04 : x
2. Step 2: Convert to fraction form
   76,514.63/105,590.09 = 42,522.04/x
3. Step 3: Cross multiply
   76,514.63x = 105,590.09 × 42,522.04
4. Step 4: Simplify right side
   76,514.63x = 4,489,906,030.58
5. Step 5: Solve for x
   x = 4,489,906,030.58/76,514.63
6. Step 6: Final answer
   x = 58,680.36