Finding the Fourth Proportional to 90,971.98, 136,504.41 and 37,704.22

Step by Step Solution

1. Step 1: Write the proportion equation
   90,971.98 : 136,504.41 = 37,704.22 : x
2. Step 2: Convert to fraction form
   90,971.98/136,504.41 = 37,704.22/x
3. Step 3: Cross multiply
   90,971.98x = 136,504.41 × 37,704.22
4. Step 4: Simplify right side
   90,971.98x = 5,146,792,305.61
5. Step 5: Solve for x
   x = 5,146,792,305.61/90,971.98
6. Step 6: Final answer
   x = 56,575.58