Finding the Fourth Proportional to 123,817.86, 170,869.28 and 70,113.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,817.86 : 170,869.28 = 70,113.34 : x
2. Step 2: Convert to fraction form
   123,817.86/170,869.28 = 70,113.34/x
3. Step 3: Cross multiply
   123,817.86x = 170,869.28 × 70,113.34
4. Step 4: Simplify right side
   123,817.86x = 11,980,216,357.25
5. Step 5: Solve for x
   x = 11,980,216,357.25/123,817.86
6. Step 6: Final answer
   x = 96,756.77