Finding the Fourth Proportional to 91,002.88, 136,504.34 and 35,560

Step by Step Solution

1. Step 1: Write the proportion equation
   91,002.88 : 136,504.34 = 35,560 : x
2. Step 2: Convert to fraction form
   91,002.88/136,504.34 = 35,560/x
3. Step 3: Cross multiply
   91,002.88x = 136,504.34 × 35,560
4. Step 4: Simplify right side
   91,002.88x = 4,854,094,330.40
5. Step 5: Solve for x
   x = 4,854,094,330.40/91,002.88
6. Step 6: Final answer
   x = 53,340.01