Finding the Fourth Proportional to 55,433.86, 76,495.98 and 31,558.30

Step by Step Solution

1. Step 1: Write the proportion equation
   55,433.86 : 76,495.98 = 31,558.30 : x
2. Step 2: Convert to fraction form
   55,433.86/76,495.98 = 31,558.30/x
3. Step 3: Cross multiply
   55,433.86x = 76,495.98 × 31,558.30
4. Step 4: Simplify right side
   55,433.86x = 2,414,083,085.63
5. Step 5: Solve for x
   x = 2,414,083,085.63/55,433.86
6. Step 6: Final answer
   x = 43,548.89