Finding the Fourth Proportional to 64,846.85, 89,495.90 and 38,012.07

Step by Step Solution

1. Step 1: Write the proportion equation
   64,846.85 : 89,495.90 = 38,012.07 : x
2. Step 2: Convert to fraction form
   64,846.85/89,495.90 = 38,012.07/x
3. Step 3: Cross multiply
   64,846.85x = 89,495.90 × 38,012.07
4. Step 4: Simplify right side
   64,846.85x = 3,401,924,225.45
5. Step 5: Solve for x
   x = 3,401,924,225.45/64,846.85
6. Step 6: Final answer
   x = 52,460.91