Finding the Fourth Proportional to 139,055.94, 191,895.62 and 78,627.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,055.94 : 191,895.62 = 78,627.24 : x
2. Step 2: Convert to fraction form
   139,055.94/191,895.62 = 78,627.24/x
3. Step 3: Cross multiply
   139,055.94x = 191,895.62 × 78,627.24
4. Step 4: Simplify right side
   139,055.94x = 15,088,222,575.55
5. Step 5: Solve for x
   x = 15,088,222,575.55/139,055.94
6. Step 6: Final answer
   x = 108,504.70