Finding the Fourth Proportional to 101,156.52, 139,595.22 and 58,719

Step by Step Solution

1. Step 1: Write the proportion equation
   101,156.52 : 139,595.22 = 58,719 : x
2. Step 2: Convert to fraction form
   101,156.52/139,595.22 = 58,719/x
3. Step 3: Cross multiply
   101,156.52x = 139,595.22 × 58,719
4. Step 4: Simplify right side
   101,156.52x = 8,196,891,723.18
5. Step 5: Solve for x
   x = 8,196,891,723.18/101,156.52
6. Step 6: Final answer
   x = 81,031.77