Finding the Fourth Proportional to 314,826.14, 472,100.25 and 90,135.59

Step by Step Solution

1. Step 1: Write the proportion equation
   314,826.14 : 472,100.25 = 90,135.59 : x
2. Step 2: Convert to fraction form
   314,826.14/472,100.25 = 90,135.59/x
3. Step 3: Cross multiply
   314,826.14x = 472,100.25 × 90,135.59
4. Step 4: Simplify right side
   314,826.14x = 42,553,032,043.39
5. Step 5: Solve for x
   x = 42,553,032,043.39/314,826.14
6. Step 6: Final answer
   x = 135,163.59