Finding the Fourth Proportional to 89,066.46, 122,994.96 and 57,290.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,066.46 : 122,994.96 = 57,290.52 : x
2. Step 2: Convert to fraction form
   89,066.46/122,994.96 = 57,290.52/x
3. Step 3: Cross multiply
   89,066.46x = 122,994.96 × 57,290.52
4. Step 4: Simplify right side
   89,066.46x = 7,046,445,215.78
5. Step 5: Solve for x
   x = 7,046,445,215.78/89,066.46
6. Step 6: Final answer
   x = 79,114.46