Finding the Fourth Proportional to 61,103.10, 91,727.55 and 34,470.30

Step by Step Solution

1. Step 1: Write the proportion equation
   61,103.10 : 91,727.55 = 34,470.30 : x
2. Step 2: Convert to fraction form
   61,103.10/91,727.55 = 34,470.30/x
3. Step 3: Cross multiply
   61,103.10x = 91,727.55 × 34,470.30
4. Step 4: Simplify right side
   61,103.10x = 3,161,876,166.77
5. Step 5: Solve for x
   x = 3,161,876,166.77/61,103.10
6. Step 6: Final answer
   x = 51,746.58