Finding the Fourth Proportional to 91,110.69, 136,667.25 and 31,948.09

Step by Step Solution

1. Step 1: Write the proportion equation
   91,110.69 : 136,667.25 = 31,948.09 : x
2. Step 2: Convert to fraction form
   91,110.69/136,667.25 = 31,948.09/x
3. Step 3: Cross multiply
   91,110.69x = 136,667.25 × 31,948.09
4. Step 4: Simplify right side
   91,110.69x = 4,366,257,780.54
5. Step 5: Solve for x
   x = 4,366,257,780.54/91,110.69
6. Step 6: Final answer
   x = 47,922.56