Finding the Fourth Proportional to 101,308.53, 139,801.83 and 58,301.87

Step by Step Solution

1. Step 1: Write the proportion equation
   101,308.53 : 139,801.83 = 58,301.87 : x
2. Step 2: Convert to fraction form
   101,308.53/139,801.83 = 58,301.87/x
3. Step 3: Cross multiply
   101,308.53x = 139,801.83 × 58,301.87
4. Step 4: Simplify right side
   101,308.53x = 8,150,708,118.42
5. Step 5: Solve for x
   x = 8,150,708,118.42/101,308.53
6. Step 6: Final answer
   x = 80,454.31