Finding the Fourth Proportional to 139,142.52, 191,955.48 and 93,803.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,142.52 : 191,955.48 = 93,803.94 : x
2. Step 2: Convert to fraction form
   139,142.52/191,955.48 = 93,803.94/x
3. Step 3: Cross multiply
   139,142.52x = 191,955.48 × 93,803.94
4. Step 4: Simplify right side
   139,142.52x = 18,006,180,328.59
5. Step 5: Solve for x
   x = 18,006,180,328.59/139,142.52
6. Step 6: Final answer
   x = 129,408.18