Finding the Fourth Proportional to 147,387.51, 203,388.89 and 83,718.27

Step by Step Solution

1. Step 1: Write the proportion equation
   147,387.51 : 203,388.89 = 83,718.27 : x
2. Step 2: Convert to fraction form
   147,387.51/203,388.89 = 83,718.27/x
3. Step 3: Cross multiply
   147,387.51x = 203,388.89 × 83,718.27
4. Step 4: Simplify right side
   147,387.51x = 17,027,365,589.43
5. Step 5: Solve for x
   x = 17,027,365,589.43/147,387.51
6. Step 6: Final answer
   x = 115,527.87