Finding the Fourth Proportional to 9,485.64, 13,092.86 and 5,505.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,485.64 : 13,092.86 = 5,505.98 : x
2. Step 2: Convert to fraction form
   9,485.64/13,092.86 = 5,505.98/x
3. Step 3: Cross multiply
   9,485.64x = 13,092.86 × 5,505.98
4. Step 4: Simplify right side
   9,485.64x = 72,088,973.60
5. Step 5: Solve for x
   x = 72,088,973.60/9,485.64
6. Step 6: Final answer
   x = 7,599.80