Finding the Fourth Proportional to 85,597.91, 118,128.59 and 47,356.79

Step by Step Solution

1. Step 1: Write the proportion equation
   85,597.91 : 118,128.59 = 47,356.79 : x
2. Step 2: Convert to fraction form
   85,597.91/118,128.59 = 47,356.79/x
3. Step 3: Cross multiply
   85,597.91x = 118,128.59 × 47,356.79
4. Step 4: Simplify right side
   85,597.91x = 5,594,190,592.84
5. Step 5: Solve for x
   x = 5,594,190,592.84/85,597.91
6. Step 6: Final answer
   x = 65,354.29