Finding the Fourth Proportional to 30,914.16, 42,655.32 and 19,588.08

Step by Step Solution

1. Step 1: Write the proportion equation
   30,914.16 : 42,655.32 = 19,588.08 : x
2. Step 2: Convert to fraction form
   30,914.16/42,655.32 = 19,588.08/x
3. Step 3: Cross multiply
   30,914.16x = 42,655.32 × 19,588.08
4. Step 4: Simplify right side
   30,914.16x = 835,535,820.59
5. Step 5: Solve for x
   x = 835,535,820.59/30,914.16
6. Step 6: Final answer
   x = 27,027.61