Finding the Fourth Proportional to 55,491, 76,558.86 and 31,600.77

Step by Step Solution

1. Step 1: Write the proportion equation
   55,491 : 76,558.86 = 31,600.77 : x
2. Step 2: Convert to fraction form
   55,491/76,558.86 = 31,600.77/x
3. Step 3: Cross multiply
   55,491x = 76,558.86 × 31,600.77
4. Step 4: Simplify right side
   55,491x = 2,419,318,926.32
5. Step 5: Solve for x
   x = 2,419,318,926.32/55,491
6. Step 6: Final answer
   x = 43,598.40