Finding the Fourth Proportional to 139,098.22, 191,923.39 and 93,860.12

Step by Step Solution

1. Step 1: Write the proportion equation
   139,098.22 : 191,923.39 = 93,860.12 : x
2. Step 2: Convert to fraction form
   139,098.22/191,923.39 = 93,860.12/x
3. Step 3: Cross multiply
   139,098.22x = 191,923.39 × 93,860.12
4. Step 4: Simplify right side
   139,098.22x = 18,013,953,013.34
5. Step 5: Solve for x
   x = 18,013,953,013.34/139,098.22
6. Step 6: Final answer
   x = 129,505.28