Finding the Fourth Proportional to 91,246.73, 136,870.41 and 28,066.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,246.73 : 136,870.41 = 28,066.42 : x
2. Step 2: Convert to fraction form
   91,246.73/136,870.41 = 28,066.42/x
3. Step 3: Cross multiply
   91,246.73x = 136,870.41 × 28,066.42
4. Step 4: Simplify right side
   91,246.73x = 3,841,462,636.34
5. Step 5: Solve for x
   x = 3,841,462,636.34/91,246.73
6. Step 6: Final answer
   x = 42,099.73