Finding the Fourth Proportional to 91,671.06, 137,506.71 and 25,111.77

Step by Step Solution

1. Step 1: Write the proportion equation
   91,671.06 : 137,506.71 = 25,111.77 : x
2. Step 2: Convert to fraction form
   91,671.06/137,506.71 = 25,111.77/x
3. Step 3: Cross multiply
   91,671.06x = 137,506.71 × 25,111.77
4. Step 4: Simplify right side
   91,671.06x = 3,453,036,874.98
5. Step 5: Solve for x
   x = 3,453,036,874.98/91,671.06
6. Step 6: Final answer
   x = 37,667.69