Finding the Fourth Proportional to 91,808.22, 137,685.64 and 38,498.73

Step by Step Solution

1. Step 1: Write the proportion equation
   91,808.22 : 137,685.64 = 38,498.73 : x
2. Step 2: Convert to fraction form
   91,808.22/137,685.64 = 38,498.73/x
3. Step 3: Cross multiply
   91,808.22x = 137,685.64 × 38,498.73
4. Step 4: Simplify right side
   91,808.22x = 5,300,722,279.24
5. Step 5: Solve for x
   x = 5,300,722,279.24/91,808.22
6. Step 6: Final answer
   x = 57,736.90