Finding the Fourth Proportional to 110,327.68, 165,468.72 and 31,420.72

Step by Step Solution

1. Step 1: Write the proportion equation
   110,327.68 : 165,468.72 = 31,420.72 : x
2. Step 2: Convert to fraction form
   110,327.68/165,468.72 = 31,420.72/x
3. Step 3: Cross multiply
   110,327.68x = 165,468.72 × 31,420.72
4. Step 4: Simplify right side
   110,327.68x = 5,199,146,319.88
5. Step 5: Solve for x
   x = 5,199,146,319.88/110,327.68
6. Step 6: Final answer
   x = 47,124.59