Finding the Fourth Proportional to 61,009.14, 91,107.69 and 60,349.40

Step by Step Solution

1. Step 1: Write the proportion equation
   61,009.14 : 91,107.69 = 60,349.40 : x
2. Step 2: Convert to fraction form
   61,009.14/91,107.69 = 60,349.40/x
3. Step 3: Cross multiply
   61,009.14x = 91,107.69 × 60,349.40
4. Step 4: Simplify right side
   61,009.14x = 5,498,294,426.89
5. Step 5: Solve for x
   x = 5,498,294,426.89/61,009.14
6. Step 6: Final answer
   x = 90,122.47