Finding the Fourth Proportional to 139,941.96, 209,958.32 and 83,773.32

Step by Step Solution

1. Step 1: Write the proportion equation
   139,941.96 : 209,958.32 = 83,773.32 : x
2. Step 2: Convert to fraction form
   139,941.96/209,958.32 = 83,773.32/x
3. Step 3: Cross multiply
   139,941.96x = 209,958.32 × 83,773.32
4. Step 4: Simplify right side
   139,941.96x = 17,588,905,528.02
5. Step 5: Solve for x
   x = 17,588,905,528.02/139,941.96
6. Step 6: Final answer
   x = 125,687.15