Finding the Fourth Proportional to 137,189.35, 205,887.71 and 58,359.07

Step by Step Solution

1. Step 1: Write the proportion equation
   137,189.35 : 205,887.71 = 58,359.07 : x
2. Step 2: Convert to fraction form
   137,189.35/205,887.71 = 58,359.07/x
3. Step 3: Cross multiply
   137,189.35x = 205,887.71 × 58,359.07
4. Step 4: Simplify right side
   137,189.35x = 12,015,415,280.03
5. Step 5: Solve for x
   x = 12,015,415,280.03/137,189.35
6. Step 6: Final answer
   x = 87,582.71