Finding the Fourth Proportional to 137,189.10, 205,887.33 and 58,358.82

Step by Step Solution

1. Step 1: Write the proportion equation
   137,189.10 : 205,887.33 = 58,358.82 : x
2. Step 2: Convert to fraction form
   137,189.10/205,887.33 = 58,358.82/x
3. Step 3: Cross multiply
   137,189.10x = 205,887.33 × 58,358.82
4. Step 4: Simplify right side
   137,189.10x = 12,015,341,631.75
5. Step 5: Solve for x
   x = 12,015,341,631.75/137,189.10
6. Step 6: Final answer
   x = 87,582.33