Finding the Fourth Proportional to 64,910.42, 89,576.45 and 35,838.84

Step by Step Solution

1. Step 1: Write the proportion equation
   64,910.42 : 89,576.45 = 35,838.84 : x
2. Step 2: Convert to fraction form
   64,910.42/89,576.45 = 35,838.84/x
3. Step 3: Cross multiply
   64,910.42x = 89,576.45 × 35,838.84
4. Step 4: Simplify right side
   64,910.42x = 3,210,316,059.32
5. Step 5: Solve for x
   x = 3,210,316,059.32/64,910.42
6. Step 6: Final answer
   x = 49,457.64