Finding the Fourth Proportional to 91,887.94, 137,796.21 and 35,720.61

Step by Step Solution

1. Step 1: Write the proportion equation
   91,887.94 : 137,796.21 = 35,720.61 : x
2. Step 2: Convert to fraction form
   91,887.94/137,796.21 = 35,720.61/x
3. Step 3: Cross multiply
   91,887.94x = 137,796.21 × 35,720.61
4. Step 4: Simplify right side
   91,887.94x = 4,922,164,676.89
5. Step 5: Solve for x
   x = 4,922,164,676.89/91,887.94
6. Step 6: Final answer
   x = 53,567.04