Finding the Fourth Proportional to 55,619.63, 76,760.59 and 31,749.89

Step by Step Solution

1. Step 1: Write the proportion equation
   55,619.63 : 76,760.59 = 31,749.89 : x
2. Step 2: Convert to fraction form
   55,619.63/76,760.59 = 31,749.89/x
3. Step 3: Cross multiply
   55,619.63x = 76,760.59 × 31,749.89
4. Step 4: Simplify right side
   55,619.63x = 2,437,140,288.84
5. Step 5: Solve for x
   x = 2,437,140,288.84/55,619.63
6. Step 6: Final answer
   x = 43,817.99