Finding the Fourth Proportional to 69,616.40, 96,070.72 and 37,785.30

Step by Step Solution

1. Step 1: Write the proportion equation
   69,616.40 : 96,070.72 = 37,785.30 : x
2. Step 2: Convert to fraction form
   69,616.40/96,070.72 = 37,785.30/x
3. Step 3: Cross multiply
   69,616.40x = 96,070.72 × 37,785.30
4. Step 4: Simplify right side
   69,616.40x = 3,630,060,976.42
5. Step 5: Solve for x
   x = 3,630,060,976.42/69,616.40
6. Step 6: Final answer
   x = 52,143.76