Finding the Fourth Proportional to 35,405.59, 53,096.01 and 10,439.01

Step by Step Solution

1. Step 1: Write the proportion equation
   35,405.59 : 53,096.01 = 10,439.01 : x
2. Step 2: Convert to fraction form
   35,405.59/53,096.01 = 10,439.01/x
3. Step 3: Cross multiply
   35,405.59x = 53,096.01 × 10,439.01
4. Step 4: Simplify right side
   35,405.59x = 554,269,779.35
5. Step 5: Solve for x
   x = 554,269,779.35/35,405.59
6. Step 6: Final answer
   x = 15,654.87