Finding the Fourth Proportional to 85,632.89, 118,173.58 and 47,395.06

Step by Step Solution

1. Step 1: Write the proportion equation
   85,632.89 : 118,173.58 = 47,395.06 : x
2. Step 2: Convert to fraction form
   85,632.89/118,173.58 = 47,395.06/x
3. Step 3: Cross multiply
   85,632.89x = 118,173.58 × 47,395.06
4. Step 4: Simplify right side
   85,632.89x = 5,600,843,500.59
5. Step 5: Solve for x
   x = 5,600,843,500.59/85,632.89
6. Step 6: Final answer
   x = 65,405.29