Finding the Fourth Proportional to 132,485.59, 182,828.31 and 72,054.93

Step by Step Solution

1. Step 1: Write the proportion equation
   132,485.59 : 182,828.31 = 72,054.93 : x
2. Step 2: Convert to fraction form
   132,485.59/182,828.31 = 72,054.93/x
3. Step 3: Cross multiply
   132,485.59x = 182,828.31 × 72,054.93
4. Step 4: Simplify right side
   132,485.59x = 13,173,681,494.47
5. Step 5: Solve for x
   x = 13,173,681,494.47/132,485.59
6. Step 6: Final answer
   x = 99,434.82