Finding the Fourth Proportional to 85,854.59, 118,486.61 and 47,626.45

Step by Step Solution

1. Step 1: Write the proportion equation
   85,854.59 : 118,486.61 = 47,626.45 : x
2. Step 2: Convert to fraction form
   85,854.59/118,486.61 = 47,626.45/x
3. Step 3: Cross multiply
   85,854.59x = 118,486.61 × 47,626.45
4. Step 4: Simplify right side
   85,854.59x = 5,643,096,886.38
5. Step 5: Solve for x
   x = 5,643,096,886.38/85,854.59
6. Step 6: Final answer
   x = 65,728.54