Finding the Fourth Proportional to 101,046.33, 139,443.89 and 58,028.63

Step by Step Solution

1. Step 1: Write the proportion equation
   101,046.33 : 139,443.89 = 58,028.63 : x
2. Step 2: Convert to fraction form
   101,046.33/139,443.89 = 58,028.63/x
3. Step 3: Cross multiply
   101,046.33x = 139,443.89 × 58,028.63
4. Step 4: Simplify right side
   101,046.33x = 8,091,736,911.21
5. Step 5: Solve for x
   x = 8,091,736,911.21/101,046.33
6. Step 6: Final answer
   x = 80,079.47