Finding the Fourth Proportional to 9,904.55, 14,861.69 and 4,356.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,904.55 : 14,861.69 = 4,356.91 : x
2. Step 2: Convert to fraction form
   9,904.55/14,861.69 = 4,356.91/x
3. Step 3: Cross multiply
   9,904.55x = 14,861.69 × 4,356.91
4. Step 4: Simplify right side
   9,904.55x = 64,751,106.83
5. Step 5: Solve for x
   x = 64,751,106.83/9,904.55
6. Step 6: Final answer
   x = 6,537.51