Finding the Fourth Proportional to 64,846.86, 89,495.91 and 38,012.07

Step by Step Solution

1. Step 1: Write the proportion equation
   64,846.86 : 89,495.91 = 38,012.07 : x
2. Step 2: Convert to fraction form
   64,846.86/89,495.91 = 38,012.07/x
3. Step 3: Cross multiply
   64,846.86x = 89,495.91 × 38,012.07
4. Step 4: Simplify right side
   64,846.86x = 3,401,924,795.63
5. Step 5: Solve for x
   x = 3,401,924,795.63/64,846.86
6. Step 6: Final answer
   x = 52,460.90