Finding the Fourth Proportional to 85,111.14, 117,451.29 and 47,384.58

Step by Step Solution

1. Step 1: Write the proportion equation
   85,111.14 : 117,451.29 = 47,384.58 : x
2. Step 2: Convert to fraction form
   85,111.14/117,451.29 = 47,384.58/x
3. Step 3: Cross multiply
   85,111.14x = 117,451.29 × 47,384.58
4. Step 4: Simplify right side
   85,111.14x = 5,565,380,047.11
5. Step 5: Solve for x
   x = 5,565,380,047.11/85,111.14
6. Step 6: Final answer
   x = 65,389.56