Finding the Fourth Proportional to 91,821.06, 137,713.38 and 25,243.98

Step by Step Solution

1. Step 1: Write the proportion equation
   91,821.06 : 137,713.38 = 25,243.98 : x
2. Step 2: Convert to fraction form
   91,821.06/137,713.38 = 25,243.98/x
3. Step 3: Cross multiply
   91,821.06x = 137,713.38 × 25,243.98
4. Step 4: Simplify right side
   91,821.06x = 3,476,433,810.45
5. Step 5: Solve for x
   x = 3,476,433,810.45/91,821.06
6. Step 6: Final answer
   x = 37,860.96