Finding the Fourth Proportional to 56,764.84, 78,339.06 and 31,614.28

Step by Step Solution

1. Step 1: Write the proportion equation
   56,764.84 : 78,339.06 = 31,614.28 : x
2. Step 2: Convert to fraction form
   56,764.84/78,339.06 = 31,614.28/x
3. Step 3: Cross multiply
   56,764.84x = 78,339.06 × 31,614.28
4. Step 4: Simplify right side
   56,764.84x = 2,476,632,977.78
5. Step 5: Solve for x
   x = 2,476,632,977.78/56,764.84
6. Step 6: Final answer
   x = 43,629.70