Finding the Fourth Proportional to 139,582.74, 209,294.55 and 95,263.14

Step by Step Solution

1. Step 1: Write the proportion equation
   139,582.74 : 209,294.55 = 95,263.14 : x
2. Step 2: Convert to fraction form
   139,582.74/209,294.55 = 95,263.14/x
3. Step 3: Cross multiply
   139,582.74x = 209,294.55 × 95,263.14
4. Step 4: Simplify right side
   139,582.74x = 19,938,056,017.89
5. Step 5: Solve for x
   x = 19,938,056,017.89/139,582.74
6. Step 6: Final answer
   x = 142,840.41