Finding the Fourth Proportional to 56,764.56, 78,335.04 and 31,614

Step by Step Solution

1. Step 1: Write the proportion equation
   56,764.56 : 78,335.04 = 31,614 : x
2. Step 2: Convert to fraction form
   56,764.56/78,335.04 = 31,614/x
3. Step 3: Cross multiply
   56,764.56x = 78,335.04 × 31,614
4. Step 4: Simplify right side
   56,764.56x = 2,476,483,954.56
5. Step 5: Solve for x
   x = 2,476,483,954.56/56,764.56
6. Step 6: Final answer
   x = 43,627.29