Finding the Fourth Proportional to 123,926.04, 171,158.40 and 83,570.04

Step by Step Solution

1. Step 1: Write the proportion equation
   123,926.04 : 171,158.40 = 83,570.04 : x
2. Step 2: Convert to fraction form
   123,926.04/171,158.40 = 83,570.04/x
3. Step 3: Cross multiply
   123,926.04x = 171,158.40 × 83,570.04
4. Step 4: Simplify right side
   123,926.04x = 14,303,714,334.34
5. Step 5: Solve for x
   x = 14,303,714,334.34/123,926.04
6. Step 6: Final answer
   x = 115,421.38