Finding the Fourth Proportional to 35,953.07, 53,870.00 and 21,870.51

Step by Step Solution

1. Step 1: Write the proportion equation
   35,953.07 : 53,870.00 = 21,870.51 : x
2. Step 2: Convert to fraction form
   35,953.07/53,870.00 = 21,870.51/x
3. Step 3: Cross multiply
   35,953.07x = 53,870.00 × 21,870.51
4. Step 4: Simplify right side
   35,953.07x = 1,178,164,062.33
5. Step 5: Solve for x
   x = 1,178,164,062.33/35,953.07
6. Step 6: Final answer
   x = 32,769.50