Finding the Fourth Proportional to 90,867.06, 136,306.71 and 30,901.59

Step by Step Solution

1. Step 1: Write the proportion equation
   90,867.06 : 136,306.71 = 30,901.59 : x
2. Step 2: Convert to fraction form
   90,867.06/136,306.71 = 30,901.59/x
3. Step 3: Cross multiply
   90,867.06x = 136,306.71 × 30,901.59
4. Step 4: Simplify right side
   90,867.06x = 4,212,094,066.67
5. Step 5: Solve for x
   x = 4,212,094,066.67/90,867.06
6. Step 6: Final answer
   x = 46,354.47