Finding the Fourth Proportional to 64,705.10, 89,292.92 and 37,842.05

Step by Step Solution

1. Step 1: Write the proportion equation
   64,705.10 : 89,292.92 = 37,842.05 : x
2. Step 2: Convert to fraction form
   64,705.10/89,292.92 = 37,842.05/x
3. Step 3: Cross multiply
   64,705.10x = 89,292.92 × 37,842.05
4. Step 4: Simplify right side
   64,705.10x = 3,379,027,177.31
5. Step 5: Solve for x
   x = 3,379,027,177.31/64,705.10
6. Step 6: Final answer
   x = 52,221.96