Finding the Fourth Proportional to 31,053.07, 42,853.33 and 16,906.01

Step by Step Solution

1. Step 1: Write the proportion equation
   31,053.07 : 42,853.33 = 16,906.01 : x
2. Step 2: Convert to fraction form
   31,053.07/42,853.33 = 16,906.01/x
3. Step 3: Cross multiply
   31,053.07x = 42,853.33 × 16,906.01
4. Step 4: Simplify right side
   31,053.07x = 724,478,825.51
5. Step 5: Solve for x
   x = 724,478,825.51/31,053.07
6. Step 6: Final answer
   x = 23,330.34