Finding the Fourth Proportional to 123,826.44, 170,875.80 and 70,100.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123,826.44 : 170,875.80 = 70,100.76 : x
2. Step 2: Convert to fraction form
   123,826.44/170,875.80 = 70,100.76/x
3. Step 3: Cross multiply
   123,826.44x = 170,875.80 × 70,100.76
4. Step 4: Simplify right side
   123,826.44x = 11,978,523,445.61
5. Step 5: Solve for x
   x = 11,978,523,445.61/123,826.44
6. Step 6: Final answer
   x = 96,736.40