Finding the Fourth Proportional to 85,948.31, 118,606.82 and 47,705.63

Step by Step Solution

1. Step 1: Write the proportion equation
   85,948.31 : 118,606.82 = 47,705.63 : x
2. Step 2: Convert to fraction form
   85,948.31/118,606.82 = 47,705.63/x
3. Step 3: Cross multiply
   85,948.31x = 118,606.82 × 47,705.63
4. Step 4: Simplify right side
   85,948.31x = 5,658,212,238.83
5. Step 5: Solve for x
   x = 5,658,212,238.83/85,948.31
6. Step 6: Final answer
   x = 65,832.74