Finding the Fourth Proportional to 85,774.71, 118,365.69 and 47,535.90

Step by Step Solution

1. Step 1: Write the proportion equation
   85,774.71 : 118,365.69 = 47,535.90 : x
2. Step 2: Convert to fraction form
   85,774.71/118,365.69 = 47,535.90/x
3. Step 3: Cross multiply
   85,774.71x = 118,365.69 × 47,535.90
4. Step 4: Simplify right side
   85,774.71x = 5,626,619,070.27
5. Step 5: Solve for x
   x = 5,626,619,070.27/85,774.71
6. Step 6: Final answer
   x = 65,597.64