Finding the Fourth Proportional to 99,182.72, 136,871.72 and 53,860.32

Step by Step Solution

1. Step 1: Write the proportion equation
   99,182.72 : 136,871.72 = 53,860.32 : x
2. Step 2: Convert to fraction form
   99,182.72/136,871.72 = 53,860.32/x
3. Step 3: Cross multiply
   99,182.72x = 136,871.72 × 53,860.32
4. Step 4: Simplify right side
   99,182.72x = 7,371,954,368.85
5. Step 5: Solve for x
   x = 7,371,954,368.85/99,182.72
6. Step 6: Final answer
   x = 74,327.01