Finding the Fourth Proportional to 61,095.72, 84,109.14 and 54,797.16

Step by Step Solution

1. Step 1: Write the proportion equation
   61,095.72 : 84,109.14 = 54,797.16 : x
2. Step 2: Convert to fraction form
   61,095.72/84,109.14 = 54,797.16/x
3. Step 3: Cross multiply
   61,095.72x = 84,109.14 × 54,797.16
4. Step 4: Simplify right side
   61,095.72x = 4,608,942,002.04
5. Step 5: Solve for x
   x = 4,608,942,002.04/61,095.72
6. Step 6: Final answer
   x = 75,438.05