Finding the Fourth Proportional to 35,499.51, 53,276.81 and 13,333.05

Step by Step Solution

1. Step 1: Write the proportion equation
   35,499.51 : 53,276.81 = 13,333.05 : x
2. Step 2: Convert to fraction form
   35,499.51/53,276.81 = 13,333.05/x
3. Step 3: Cross multiply
   35,499.51x = 53,276.81 × 13,333.05
4. Step 4: Simplify right side
   35,499.51x = 710,342,304.91
5. Step 5: Solve for x
   x = 710,342,304.91/35,499.51
6. Step 6: Final answer
   x = 20,009.92