Finding the Fourth Proportional to 64,685.89, 89,233.86 and 37,810.84

Step by Step Solution

1. Step 1: Write the proportion equation
   64,685.89 : 89,233.86 = 37,810.84 : x
2. Step 2: Convert to fraction form
   64,685.89/89,233.86 = 37,810.84/x
3. Step 3: Cross multiply
   64,685.89x = 89,233.86 × 37,810.84
4. Step 4: Simplify right side
   64,685.89x = 3,374,007,203.04
5. Step 5: Solve for x
   x = 3,374,007,203.04/64,685.89
6. Step 6: Final answer
   x = 52,159.86