Finding the Fourth Proportional to 139,826, 192,877.32 and 98,944.08

Step by Step Solution

1. Step 1: Write the proportion equation
   139,826 : 192,877.32 = 98,944.08 : x
2. Step 2: Convert to fraction form
   139,826/192,877.32 = 98,944.08/x
3. Step 3: Cross multiply
   139,826x = 192,877.32 × 98,944.08
4. Step 4: Simplify right side
   139,826x = 19,084,068,980.27
5. Step 5: Solve for x
   x = 19,084,068,980.27/139,826
6. Step 6: Final answer
   x = 136,484.41