Finding the Fourth Proportional to 76,934.64, 115,401.42 and 41,412.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,934.64 : 115,401.42 = 41,412.72 : x
2. Step 2: Convert to fraction form
   76,934.64/115,401.42 = 41,412.72/x
3. Step 3: Cross multiply
   76,934.64x = 115,401.42 × 41,412.72
4. Step 4: Simplify right side
   76,934.64x = 4,779,086,694.06
5. Step 5: Solve for x
   x = 4,779,086,694.06/76,934.64
6. Step 6: Final answer
   x = 62,118.79