Finding the Fourth Proportional to 99,033.31, 136,665.35 and 53,712.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99,033.31 : 136,665.35 = 53,712.37 : x
2. Step 2: Convert to fraction form
   99,033.31/136,665.35 = 53,712.37/x
3. Step 3: Cross multiply
   99,033.31x = 136,665.35 × 53,712.37
4. Step 4: Simplify right side
   99,033.31x = 7,340,619,576.82
5. Step 5: Solve for x
   x = 7,340,619,576.82/99,033.31
6. Step 6: Final answer
   x = 74,122.73