Finding the Fourth Proportional to 35,469.82, 53,212.56 and 10,511.86

Step by Step Solution

1. Step 1: Write the proportion equation
   35,469.82 : 53,212.56 = 10,511.86 : x
2. Step 2: Convert to fraction form
   35,469.82/53,212.56 = 10,511.86/x
3. Step 3: Cross multiply
   35,469.82x = 53,212.56 × 10,511.86
4. Step 4: Simplify right side
   35,469.82x = 559,362,980.96
5. Step 5: Solve for x
   x = 559,362,980.96/35,469.82
6. Step 6: Final answer
   x = 15,770.11