Finding the Fourth Proportional to 35,477.42, 53,216.34 and 10,517.69

Step by Step Solution

1. Step 1: Write the proportion equation
   35,477.42 : 53,216.34 = 10,517.69 : x
2. Step 2: Convert to fraction form
   35,477.42/53,216.34 = 10,517.69/x
3. Step 3: Cross multiply
   35,477.42x = 53,216.34 × 10,517.69
4. Step 4: Simplify right side
   35,477.42x = 559,712,700.97
5. Step 5: Solve for x
   x = 559,712,700.97/35,477.42
6. Step 6: Final answer
   x = 15,776.59