Finding the Fourth Proportional to 55,743.52, 76,926.11 and 31,870.69

Step by Step Solution

1. Step 1: Write the proportion equation
   55,743.52 : 76,926.11 = 31,870.69 : x
2. Step 2: Convert to fraction form
   55,743.52/76,926.11 = 31,870.69/x
3. Step 3: Cross multiply
   55,743.52x = 76,926.11 × 31,870.69
4. Step 4: Simplify right side
   55,743.52x = 2,451,688,069.40
5. Step 5: Solve for x
   x = 2,451,688,069.40/55,743.52
6. Step 6: Final answer
   x = 43,981.58