Finding the Fourth Proportional to 65,225.67, 90,192.61 and 51,773.57

Step by Step Solution

1. Step 1: Write the proportion equation
   65,225.67 : 90,192.61 = 51,773.57 : x
2. Step 2: Convert to fraction form
   65,225.67/90,192.61 = 51,773.57/x
3. Step 3: Cross multiply
   65,225.67x = 90,192.61 × 51,773.57
4. Step 4: Simplify right side
   65,225.67x = 4,669,593,407.32
5. Step 5: Solve for x
   x = 4,669,593,407.32/65,225.67
6. Step 6: Final answer
   x = 71,591.34