Finding the Fourth Proportional to 91,085.04, 136,634.04 and 28,755

Step by Step Solution

1. Step 1: Write the proportion equation
   91,085.04 : 136,634.04 = 28,755 : x
2. Step 2: Convert to fraction form
   91,085.04/136,634.04 = 28,755/x
3. Step 3: Cross multiply
   91,085.04x = 136,634.04 × 28,755
4. Step 4: Simplify right side
   91,085.04x = 3,928,911,820.20
5. Step 5: Solve for x
   x = 3,928,911,820.20/91,085.04
6. Step 6: Final answer
   x = 43,134.55