Finding the Fourth Proportional to 105,112.56, 156,649.32 and 101,750.28

Step by Step Solution

1. Step 1: Write the proportion equation
   105,112.56 : 156,649.32 = 101,750.28 : x
2. Step 2: Convert to fraction form
   105,112.56/156,649.32 = 101,750.28/x
3. Step 3: Cross multiply
   105,112.56x = 156,649.32 × 101,750.28
4. Step 4: Simplify right side
   105,112.56x = 15,939,112,171.81
5. Step 5: Solve for x
   x = 15,939,112,171.81/105,112.56
6. Step 6: Final answer
   x = 151,638.51