Finding the Fourth Proportional to 85,619.83, 118,152.69 and 47,377.07

Step by Step Solution

1. Step 1: Write the proportion equation
   85,619.83 : 118,152.69 = 47,377.07 : x
2. Step 2: Convert to fraction form
   85,619.83/118,152.69 = 47,377.07/x
3. Step 3: Cross multiply
   85,619.83x = 118,152.69 × 47,377.07
4. Step 4: Simplify right side
   85,619.83x = 5,597,728,264.82
5. Step 5: Solve for x
   x = 5,597,728,264.82/85,619.83
6. Step 6: Final answer
   x = 65,378.88