Finding the Fourth Proportional to 123,811.86, 170,870.94 and 70,106.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,811.86 : 170,870.94 = 70,106.34 : x
2. Step 2: Convert to fraction form
   123,811.86/170,870.94 = 70,106.34/x
3. Step 3: Cross multiply
   123,811.86x = 170,870.94 × 70,106.34
4. Step 4: Simplify right side
   123,811.86x = 11,979,136,215.76
5. Step 5: Solve for x
   x = 11,979,136,215.76/123,811.86
6. Step 6: Final answer
   x = 96,752.74