Finding the Fourth Proportional to 101,139.05, 151,661.64 and 59,031.30

Step by Step Solution

1. Step 1: Write the proportion equation
   101,139.05 : 151,661.64 = 59,031.30 : x
2. Step 2: Convert to fraction form
   101,139.05/151,661.64 = 59,031.30/x
3. Step 3: Cross multiply
   101,139.05x = 151,661.64 × 59,031.30
4. Step 4: Simplify right side
   101,139.05x = 8,952,784,559.43
5. Step 5: Solve for x
   x = 8,952,784,559.43/101,139.05
6. Step 6: Final answer
   x = 88,519.56