Finding the Fourth Proportional to 100,846.06, 139,155.50 and 58,398.82

Step by Step Solution

1. Step 1: Write the proportion equation
   100,846.06 : 139,155.50 = 58,398.82 : x
2. Step 2: Convert to fraction form
   100,846.06/139,155.50 = 58,398.82/x
3. Step 3: Cross multiply
   100,846.06x = 139,155.50 × 58,398.82
4. Step 4: Simplify right side
   100,846.06x = 8,126,516,996.51
5. Step 5: Solve for x
   x = 8,126,516,996.51/100,846.06
6. Step 6: Final answer
   x = 80,583.39