Finding the Fourth Proportional to 191,019.24, 286,491.78 and 181,536.16

Step by Step Solution

1. Step 1: Write the proportion equation
   191,019.24 : 286,491.78 = 181,536.16 : x
2. Step 2: Convert to fraction form
   191,019.24/286,491.78 = 181,536.16/x
3. Step 3: Cross multiply
   191,019.24x = 286,491.78 × 181,536.16
4. Step 4: Simplify right side
   191,019.24x = 52,008,617,612.76
5. Step 5: Solve for x
   x = 52,008,617,612.76/191,019.24
6. Step 6: Final answer
   x = 272,269.00