Finding the Fourth Proportional to 69,621.12, 96,077.61 and 37,790.15

Step by Step Solution

1. Step 1: Write the proportion equation
   69,621.12 : 96,077.61 = 37,790.15 : x
2. Step 2: Convert to fraction form
   69,621.12/96,077.61 = 37,790.15/x
3. Step 3: Cross multiply
   69,621.12x = 96,077.61 × 37,790.15
4. Step 4: Simplify right side
   69,621.12x = 3,630,786,813.15
5. Step 5: Solve for x
   x = 3,630,786,813.15/69,621.12
6. Step 6: Final answer
   x = 52,150.65