Finding the Fourth Proportional to 91,883.96, 137,825.88 and 28,709.52

Step by Step Solution

1. Step 1: Write the proportion equation
   91,883.96 : 137,825.88 = 28,709.52 : x
2. Step 2: Convert to fraction form
   91,883.96/137,825.88 = 28,709.52/x
3. Step 3: Cross multiply
   91,883.96x = 137,825.88 × 28,709.52
4. Step 4: Simplify right side
   91,883.96x = 3,956,914,858.38
5. Step 5: Solve for x
   x = 3,956,914,858.38/91,883.96
6. Step 6: Final answer
   x = 43,064.26