Finding the Fourth Proportional to 106,748, 160,149.72 and 31,868.16

Step by Step Solution

1. Step 1: Write the proportion equation
   106,748 : 160,149.72 = 31,868.16 : x
2. Step 2: Convert to fraction form
   106,748/160,149.72 = 31,868.16/x
3. Step 3: Cross multiply
   106,748x = 160,149.72 × 31,868.16
4. Step 4: Simplify right side
   106,748x = 5,103,676,900.92
5. Step 5: Solve for x
   x = 5,103,676,900.92/106,748
6. Step 6: Final answer
   x = 47,810.52