Finding the Fourth Proportional to 42,749.00, 64,130.39 and 13,166.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,749.00 : 64,130.39 = 13,166.82 : x
2. Step 2: Convert to fraction form
   42,749.00/64,130.39 = 13,166.82/x
3. Step 3: Cross multiply
   42,749.00x = 64,130.39 × 13,166.82
4. Step 4: Simplify right side
   42,749.00x = 844,393,285.20
5. Step 5: Solve for x
   x = 844,393,285.20/42,749.00
6. Step 6: Final answer
   x = 19,752.35