Finding the Fourth Proportional to 61,215.35, 91,851.27 and 27,945.61

Step by Step Solution

1. Step 1: Write the proportion equation
   61,215.35 : 91,851.27 = 27,945.61 : x
2. Step 2: Convert to fraction form
   61,215.35/91,851.27 = 27,945.61/x
3. Step 3: Cross multiply
   61,215.35x = 91,851.27 × 27,945.61
4. Step 4: Simplify right side
   61,215.35x = 2,566,839,435.00
5. Step 5: Solve for x
   x = 2,566,839,435.00/61,215.35
6. Step 6: Final answer
   x = 41,931.31