Finding the Fourth Proportional to 35,688.06, 53,459.37 and 16,911.18

Step by Step Solution

1. Step 1: Write the proportion equation
   35,688.06 : 53,459.37 = 16,911.18 : x
2. Step 2: Convert to fraction form
   35,688.06/53,459.37 = 16,911.18/x
3. Step 3: Cross multiply
   35,688.06x = 53,459.37 × 16,911.18
4. Step 4: Simplify right side
   35,688.06x = 904,061,028.76
5. Step 5: Solve for x
   x = 904,061,028.76/35,688.06
6. Step 6: Final answer
   x = 25,332.31