Finding the Fourth Proportional to 10,400,185.53, 14,351,730.89 and 5,690,479.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,400,185.53 : 14,351,730.89 = 5,690,479.10 : x
2. Step 2: Convert to fraction form
   10,400,185.53/14,351,730.89 = 5,690,479.10/x
3. Step 3: Cross multiply
   10,400,185.53x = 14,351,730.89 × 5,690,479.10
4. Step 4: Simplify right side
   10,400,185.53x = 81,668,224,578,158.34
5. Step 5: Solve for x
   x = 81,668,224,578,158.34/10,400,185.53
6. Step 6: Final answer
   x = 7,852,573.82