Finding the Fourth Proportional to 91,247.00, 136,870.83 and 28,066.70

Step by Step Solution

1. Step 1: Write the proportion equation
   91,247.00 : 136,870.83 = 28,066.70 : x
2. Step 2: Convert to fraction form
   91,247.00/136,870.83 = 28,066.70/x
3. Step 3: Cross multiply
   91,247.00x = 136,870.83 × 28,066.70
4. Step 4: Simplify right side
   91,247.00x = 3,841,512,866.54
5. Step 5: Solve for x
   x = 3,841,512,866.54/91,247.00
6. Step 6: Final answer
   x = 42,100.15