Finding the Fourth Proportional to 61,705.89, 85,155.69 and 37,845.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,705.89 : 85,155.69 = 37,845.72 : x
2. Step 2: Convert to fraction form
   61,705.89/85,155.69 = 37,845.72/x
3. Step 3: Cross multiply
   61,705.89x = 85,155.69 × 37,845.72
4. Step 4: Simplify right side
   61,705.89x = 3,222,778,400.15
5. Step 5: Solve for x
   x = 3,222,778,400.15/61,705.89
6. Step 6: Final answer
   x = 52,228.05