Finding the Fourth Proportional to 147,856.14, 204,109.59 and 86,593.81

Step by Step Solution

1. Step 1: Write the proportion equation
   147,856.14 : 204,109.59 = 86,593.81 : x
2. Step 2: Convert to fraction form
   147,856.14/204,109.59 = 86,593.81/x
3. Step 3: Cross multiply
   147,856.14x = 204,109.59 × 86,593.81
4. Step 4: Simplify right side
   147,856.14x = 17,674,625,948.10
5. Step 5: Solve for x
   x = 17,674,625,948.10/147,856.14
6. Step 6: Final answer
   x = 119,539.34