Finding the Fourth Proportional to 91,897, 137,836.86 and 32,730.28

Step by Step Solution

1. Step 1: Write the proportion equation
   91,897 : 137,836.86 = 32,730.28 : x
2. Step 2: Convert to fraction form
   91,897/137,836.86 = 32,730.28/x
3. Step 3: Cross multiply
   91,897x = 137,836.86 × 32,730.28
4. Step 4: Simplify right side
   91,897x = 4,511,439,022.12
5. Step 5: Solve for x
   x = 4,511,439,022.12/91,897
6. Step 6: Final answer
   x = 49,092.34