Finding the Fourth Proportional to 106,782.67, 160,171.98 and 31,903.03

Step by Step Solution

1. Step 1: Write the proportion equation
   106,782.67 : 160,171.98 = 31,903.03 : x
2. Step 2: Convert to fraction form
   106,782.67/160,171.98 = 31,903.03/x
3. Step 3: Cross multiply
   106,782.67x = 160,171.98 × 31,903.03
4. Step 4: Simplify right side
   106,782.67x = 5,109,971,483.10
5. Step 5: Solve for x
   x = 5,109,971,483.10/106,782.67
6. Step 6: Final answer
   x = 47,853.94