Finding the Fourth Proportional to 90,786.48, 136,085.82 and 34,611.48

Step by Step Solution

1. Step 1: Write the proportion equation
   90,786.48 : 136,085.82 = 34,611.48 : x
2. Step 2: Convert to fraction form
   90,786.48/136,085.82 = 34,611.48/x
3. Step 3: Cross multiply
   90,786.48x = 136,085.82 × 34,611.48
4. Step 4: Simplify right side
   90,786.48x = 4,710,131,637.21
5. Step 5: Solve for x
   x = 4,710,131,637.21/90,786.48
6. Step 6: Final answer
   x = 51,881.42