Finding the Fourth Proportional to 110,099.48, 165,155.49 and 31,207.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,099.48 : 165,155.49 = 31,207.50 : x
2. Step 2: Convert to fraction form
   110,099.48/165,155.49 = 31,207.50/x
3. Step 3: Cross multiply
   110,099.48x = 165,155.49 × 31,207.50
4. Step 4: Simplify right side
   110,099.48x = 5,154,089,954.18
5. Step 5: Solve for x
   x = 5,154,089,954.18/110,099.48
6. Step 6: Final answer
   x = 46,813.03