Finding the Fourth Proportional to 90,503, 135,758.16 and 43,093.70

Step by Step Solution

1. Step 1: Write the proportion equation
   90,503 : 135,758.16 = 43,093.70 : x
2. Step 2: Convert to fraction form
   90,503/135,758.16 = 43,093.70/x
3. Step 3: Cross multiply
   90,503x = 135,758.16 × 43,093.70
4. Step 4: Simplify right side
   90,503x = 5,850,321,419.59
5. Step 5: Solve for x
   x = 5,850,321,419.59/90,503
6. Step 6: Final answer
   x = 64,642.29