Finding the Fourth Proportional to 139,168.14, 191,925.23 and 117,702.89

Step by Step Solution

1. Step 1: Write the proportion equation
   139,168.14 : 191,925.23 = 117,702.89 : x
2. Step 2: Convert to fraction form
   139,168.14/191,925.23 = 117,702.89/x
3. Step 3: Cross multiply
   139,168.14x = 191,925.23 × 117,702.89
4. Step 4: Simplify right side
   139,168.14x = 22,590,153,406.49
5. Step 5: Solve for x
   x = 22,590,153,406.49/139,168.14
6. Step 6: Final answer
   x = 162,322.74