Finding the Fourth Proportional to 132,573.56, 182,955.38 and 72,148.10

Step by Step Solution

1. Step 1: Write the proportion equation
   132,573.56 : 182,955.38 = 72,148.10 : x
2. Step 2: Convert to fraction form
   132,573.56/182,955.38 = 72,148.10/x
3. Step 3: Cross multiply
   132,573.56x = 182,955.38 × 72,148.10
4. Step 4: Simplify right side
   132,573.56x = 13,199,883,051.78
5. Step 5: Solve for x
   x = 13,199,883,051.78/132,573.56
6. Step 6: Final answer
   x = 99,566.48