Finding the Fourth Proportional to 106,700.06, 160,046.64 and 31,820.82

Step by Step Solution

1. Step 1: Write the proportion equation
   106,700.06 : 160,046.64 = 31,820.82 : x
2. Step 2: Convert to fraction form
   106,700.06/160,046.64 = 31,820.82/x
3. Step 3: Cross multiply
   106,700.06x = 160,046.64 × 31,820.82
4. Step 4: Simplify right side
   106,700.06x = 5,092,815,323.04
5. Step 5: Solve for x
   x = 5,092,815,323.04/106,700.06
6. Step 6: Final answer
   x = 47,730.20