Finding the Fourth Proportional to 140,870.78, 211,306.16 and 73,388.84

Step by Step Solution

1. Step 1: Write the proportion equation
   140,870.78 : 211,306.16 = 73,388.84 : x
2. Step 2: Convert to fraction form
   140,870.78/211,306.16 = 73,388.84/x
3. Step 3: Cross multiply
   140,870.78x = 211,306.16 × 73,388.84
4. Step 4: Simplify right side
   140,870.78x = 15,507,513,967.25
5. Step 5: Solve for x
   x = 15,507,513,967.25/140,870.78
6. Step 6: Final answer
   x = 110,083.25