Finding the Fourth Proportional to 139,476.38, 192,476.50 and 75,814.18

Step by Step Solution

1. Step 1: Write the proportion equation
   139,476.38 : 192,476.50 = 75,814.18 : x
2. Step 2: Convert to fraction form
   139,476.38/192,476.50 = 75,814.18/x
3. Step 3: Cross multiply
   139,476.38x = 192,476.50 × 75,814.18
4. Step 4: Simplify right side
   139,476.38x = 14,592,447,772.50
5. Step 5: Solve for x
   x = 14,592,447,772.50/139,476.38
6. Step 6: Final answer
   x = 104,623.07