Finding the Fourth Proportional to 65,035.86, 89,722.92 and 51,553

Step by Step Solution

1. Step 1: Write the proportion equation
   65,035.86 : 89,722.92 = 51,553 : x
2. Step 2: Convert to fraction form
   65,035.86/89,722.92 = 51,553/x
3. Step 3: Cross multiply
   65,035.86x = 89,722.92 × 51,553
4. Step 4: Simplify right side
   65,035.86x = 4,625,485,694.76
5. Step 5: Solve for x
   x = 4,625,485,694.76/65,035.86
6. Step 6: Final answer
   x = 71,122.08