Finding the Fourth Proportional to 314,588.31, 471,909.69 and 86,884.02

Step by Step Solution

1. Step 1: Write the proportion equation
   314,588.31 : 471,909.69 = 86,884.02 : x
2. Step 2: Convert to fraction form
   314,588.31/471,909.69 = 86,884.02/x
3. Step 3: Cross multiply
   314,588.31x = 471,909.69 × 86,884.02
4. Step 4: Simplify right side
   314,588.31x = 41,001,410,944.15
5. Step 5: Solve for x
   x = 41,001,410,944.15/314,588.31
6. Step 6: Final answer
   x = 130,333.55