Finding the Fourth Proportional to 65,011.10, 89,727.14 and 37,790.91

Step by Step Solution

1. Step 1: Write the proportion equation
   65,011.10 : 89,727.14 = 37,790.91 : x
2. Step 2: Convert to fraction form
   65,011.10/89,727.14 = 37,790.91/x
3. Step 3: Cross multiply
   65,011.10x = 89,727.14 × 37,790.91
4. Step 4: Simplify right side
   65,011.10x = 3,390,870,366.77
5. Step 5: Solve for x
   x = 3,390,870,366.77/65,011.10
6. Step 6: Final answer
   x = 52,158.33