Finding the Fourth Proportional to 106,488.02, 159,647.69 and 53,152.56

Step by Step Solution

1. Step 1: Write the proportion equation
   106,488.02 : 159,647.69 = 53,152.56 : x
2. Step 2: Convert to fraction form
   106,488.02/159,647.69 = 53,152.56/x
3. Step 3: Cross multiply
   106,488.02x = 159,647.69 × 53,152.56
4. Step 4: Simplify right side
   106,488.02x = 8,485,683,554.47
5. Step 5: Solve for x
   x = 8,485,683,554.47/106,488.02
6. Step 6: Final answer
   x = 79,686.74