Finding the Fourth Proportional to 140,066.29, 210,161.04 and 73,490.72

Step by Step Solution

1. Step 1: Write the proportion equation
   140,066.29 : 210,161.04 = 73,490.72 : x
2. Step 2: Convert to fraction form
   140,066.29/210,161.04 = 73,490.72/x
3. Step 3: Cross multiply
   140,066.29x = 210,161.04 × 73,490.72
4. Step 4: Simplify right side
   140,066.29x = 15,444,886,145.55
5. Step 5: Solve for x
   x = 15,444,886,145.55/140,066.29
6. Step 6: Final answer
   x = 110,268.40