Finding the Fourth Proportional to 10,405.60, 14,360.04 and 5,690.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,405.60 : 14,360.04 = 5,690.16 : x
2. Step 2: Convert to fraction form
   10,405.60/14,360.04 = 5,690.16/x
3. Step 3: Cross multiply
   10,405.60x = 14,360.04 × 5,690.16
4. Step 4: Simplify right side
   10,405.60x = 81,710,925.21
5. Step 5: Solve for x
   x = 81,710,925.21/10,405.60
6. Step 6: Final answer
   x = 7,852.59