Finding the Fourth Proportional to 139,793.95, 192,889.15 and 88,814.98

Step by Step Solution

1. Step 1: Write the proportion equation
   139,793.95 : 192,889.15 = 88,814.98 : x
2. Step 2: Convert to fraction form
   139,793.95/192,889.15 = 88,814.98/x
3. Step 3: Cross multiply
   139,793.95x = 192,889.15 × 88,814.98
4. Step 4: Simplify right side
   139,793.95x = 17,131,446,018.54
5. Step 5: Solve for x
   x = 17,131,446,018.54/139,793.95
6. Step 6: Final answer
   x = 122,547.83