Finding the Fourth Proportional to 137,832.30, 190,238.22 and 84,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   137,832.30 : 190,238.22 = 84,105.82 : x
2. Step 2: Convert to fraction form
   137,832.30/190,238.22 = 84,105.82/x
3. Step 3: Cross multiply
   137,832.30x = 190,238.22 × 84,105.82
4. Step 4: Simplify right side
   137,832.30x = 16,000,141,488.44
5. Step 5: Solve for x
   x = 16,000,141,488.44/137,832.30
6. Step 6: Final answer
   x = 116,084.12