Finding the Fourth Proportional to 85,009.58, 117,317.55 and 49,201.10

Step by Step Solution

1. Step 1: Write the proportion equation
   85,009.58 : 117,317.55 = 49,201.10 : x
2. Step 2: Convert to fraction form
   85,009.58/117,317.55 = 49,201.10/x
3. Step 3: Cross multiply
   85,009.58x = 117,317.55 × 49,201.10
4. Step 4: Simplify right side
   85,009.58x = 5,772,152,509.31
5. Step 5: Solve for x
   x = 5,772,152,509.31/85,009.58
6. Step 6: Final answer
   x = 67,900.02