Finding the Fourth Proportional to 56,599.08, 78,103.30 and 31,447.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,599.08 : 78,103.30 = 31,447.72 : x
2. Step 2: Convert to fraction form
   56,599.08/78,103.30 = 31,447.72/x
3. Step 3: Cross multiply
   56,599.08x = 78,103.30 × 31,447.72
4. Step 4: Simplify right side
   56,599.08x = 2,456,170,709.48
5. Step 5: Solve for x
   x = 2,456,170,709.48/56,599.08
6. Step 6: Final answer
   x = 43,395.95