Finding the Fourth Proportional to 69,820.65, 96,354.54 and 37,991.61

Step by Step Solution

1. Step 1: Write the proportion equation
   69,820.65 : 96,354.54 = 37,991.61 : x
2. Step 2: Convert to fraction form
   69,820.65/96,354.54 = 37,991.61/x
3. Step 3: Cross multiply
   69,820.65x = 96,354.54 × 37,991.61
4. Step 4: Simplify right side
   69,820.65x = 3,660,664,105.41
5. Step 5: Solve for x
   x = 3,660,664,105.41/69,820.65
6. Step 6: Final answer
   x = 52,429.53