Finding the Fourth Proportional to 35,900, 53,858.72 and 11,276

Step by Step Solution

1. Step 1: Write the proportion equation
   35,900 : 53,858.72 = 11,276 : x
2. Step 2: Convert to fraction form
   35,900/53,858.72 = 11,276/x
3. Step 3: Cross multiply
   35,900x = 53,858.72 × 11,276
4. Step 4: Simplify right side
   35,900x = 607,310,926.72
5. Step 5: Solve for x
   x = 607,310,926.72/35,900
6. Step 6: Final answer
   x = 16,916.74