Finding the Fourth Proportional to 181,667.81, 272,501.82 and 86,875.61

Step by Step Solution

1. Step 1: Write the proportion equation
   181,667.81 : 272,501.82 = 86,875.61 : x
2. Step 2: Convert to fraction form
   181,667.81/272,501.82 = 86,875.61/x
3. Step 3: Cross multiply
   181,667.81x = 272,501.82 × 86,875.61
4. Step 4: Simplify right side
   181,667.81x = 23,673,760,476.10
5. Step 5: Solve for x
   x = 23,673,760,476.10/181,667.81
6. Step 6: Final answer
   x = 130,313.46