Finding the Fourth Proportional to 123,814.86, 170,875.08 and 70,109.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,814.86 : 170,875.08 = 70,109.34 : x
2. Step 2: Convert to fraction form
   123,814.86/170,875.08 = 70,109.34/x
3. Step 3: Cross multiply
   123,814.86x = 170,875.08 × 70,109.34
4. Step 4: Simplify right side
   123,814.86x = 11,979,939,081.25
5. Step 5: Solve for x
   x = 11,979,939,081.25/123,814.86
6. Step 6: Final answer
   x = 96,756.88