Finding the Fourth Proportional to 55,451.30, 76,522.71 and 31,577.99

Step by Step Solution

1. Step 1: Write the proportion equation
   55,451.30 : 76,522.71 = 31,577.99 : x
2. Step 2: Convert to fraction form
   55,451.30/76,522.71 = 31,577.99/x
3. Step 3: Cross multiply
   55,451.30x = 76,522.71 × 31,577.99
4. Step 4: Simplify right side
   55,451.30x = 2,416,433,371.15
5. Step 5: Solve for x
   x = 2,416,433,371.15/55,451.30
6. Step 6: Final answer
   x = 43,577.58