Finding the Fourth Proportional to 91,012.24, 136,579.86 and 31,848.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,012.24 : 136,579.86 = 31,848.42 : x
2. Step 2: Convert to fraction form
   91,012.24/136,579.86 = 31,848.42/x
3. Step 3: Cross multiply
   91,012.24x = 136,579.86 × 31,848.42
4. Step 4: Simplify right side
   91,012.24x = 4,349,852,744.82
5. Step 5: Solve for x
   x = 4,349,852,744.82/91,012.24
6. Step 6: Final answer
   x = 47,794.15