Finding the Fourth Proportional to 64,670.40, 89,226.46 and 37,444.28

Step by Step Solution

1. Step 1: Write the proportion equation
   64,670.40 : 89,226.46 = 37,444.28 : x
2. Step 2: Convert to fraction form
   64,670.40/89,226.46 = 37,444.28/x
3. Step 3: Cross multiply
   64,670.40x = 89,226.46 × 37,444.28
4. Step 4: Simplify right side
   64,670.40x = 3,341,020,152.32
5. Step 5: Solve for x
   x = 3,341,020,152.32/64,670.40
6. Step 6: Final answer
   x = 51,662.28