Finding the Fourth Proportional to 35,454.96, 48,948.84 and 31,518.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,454.96 : 48,948.84 = 31,518.72 : x
2. Step 2: Convert to fraction form
   35,454.96/48,948.84 = 31,518.72/x
3. Step 3: Cross multiply
   35,454.96x = 48,948.84 × 31,518.72
4. Step 4: Simplify right side
   35,454.96x = 1,542,804,782.28
5. Step 5: Solve for x
   x = 1,542,804,782.28/35,454.96
6. Step 6: Final answer
   x = 43,514.50