Finding the Fourth Proportional to 91,881.30, 137,794.56 and 35,730.12

Step by Step Solution

1. Step 1: Write the proportion equation
   91,881.30 : 137,794.56 = 35,730.12 : x
2. Step 2: Convert to fraction form
   91,881.30/137,794.56 = 35,730.12/x
3. Step 3: Cross multiply
   91,881.30x = 137,794.56 × 35,730.12
4. Step 4: Simplify right side
   91,881.30x = 4,923,416,164.15
5. Step 5: Solve for x
   x = 4,923,416,164.15/91,881.30
6. Step 6: Final answer
   x = 53,584.53