Finding the Fourth Proportional to 91,022.54, 136,482.42 and 37,684.40

Step by Step Solution

1. Step 1: Write the proportion equation
   91,022.54 : 136,482.42 = 37,684.40 : x
2. Step 2: Convert to fraction form
   91,022.54/136,482.42 = 37,684.40/x
3. Step 3: Cross multiply
   91,022.54x = 136,482.42 × 37,684.40
4. Step 4: Simplify right side
   91,022.54x = 5,143,258,108.25
5. Step 5: Solve for x
   x = 5,143,258,108.25/91,022.54
6. Step 6: Final answer
   x = 56,505.32