Finding the Fourth Proportional to 65,156.95, 89,957.01 and 50,020.66

Step by Step Solution

1. Step 1: Write the proportion equation
   65,156.95 : 89,957.01 = 50,020.66 : x
2. Step 2: Convert to fraction form
   65,156.95/89,957.01 = 50,020.66/x
3. Step 3: Cross multiply
   65,156.95x = 89,957.01 × 50,020.66
4. Step 4: Simplify right side
   65,156.95x = 4,499,709,011.83
5. Step 5: Solve for x
   x = 4,499,709,011.83/65,156.95
6. Step 6: Final answer
   x = 69,059.54