Finding the Fourth Proportional to 101,081.07, 151,498.59 and 71,507.43

Step by Step Solution

1. Step 1: Write the proportion equation
   101,081.07 : 151,498.59 = 71,507.43 : x
2. Step 2: Convert to fraction form
   101,081.07/151,498.59 = 71,507.43/x
3. Step 3: Cross multiply
   101,081.07x = 151,498.59 × 71,507.43
4. Step 4: Simplify right side
   101,081.07x = 10,833,274,819.52
5. Step 5: Solve for x
   x = 10,833,274,819.52/101,081.07
6. Step 6: Final answer
   x = 107,174.12