Finding the Fourth Proportional to 35,495.31, 53,263.32 and 14,431.46

Step by Step Solution

1. Step 1: Write the proportion equation
   35,495.31 : 53,263.32 = 14,431.46 : x
2. Step 2: Convert to fraction form
   35,495.31/53,263.32 = 14,431.46/x
3. Step 3: Cross multiply
   35,495.31x = 53,263.32 × 14,431.46
4. Step 4: Simplify right side
   35,495.31x = 768,667,399.89
5. Step 5: Solve for x
   x = 768,667,399.89/35,495.31
6. Step 6: Final answer
   x = 21,655.46