Finding the Fourth Proportional to 106,750, 160,152.72 and 31,870.16

Step by Step Solution

1. Step 1: Write the proportion equation
   106,750 : 160,152.72 = 31,870.16 : x
2. Step 2: Convert to fraction form
   106,750/160,152.72 = 31,870.16/x
3. Step 3: Cross multiply
   106,750x = 160,152.72 × 31,870.16
4. Step 4: Simplify right side
   106,750x = 5,104,092,810.84
5. Step 5: Solve for x
   x = 5,104,092,810.84/106,750
6. Step 6: Final answer
   x = 47,813.52