Finding the Fourth Proportional to 93,469.31, 139,957.93 and 55,940.39

Step by Step Solution

1. Step 1: Write the proportion equation
   93,469.31 : 139,957.93 = 55,940.39 : x
2. Step 2: Convert to fraction form
   93,469.31/139,957.93 = 55,940.39/x
3. Step 3: Cross multiply
   93,469.31x = 139,957.93 × 55,940.39
4. Step 4: Simplify right side
   93,469.31x = 7,829,300,768.11
5. Step 5: Solve for x
   x = 7,829,300,768.11/93,469.31
6. Step 6: Final answer
   x = 83,763.33