Finding the Fourth Proportional to 93,084.66, 139,450.86 and 55,020.06

Step by Step Solution

1. Step 1: Write the proportion equation
   93,084.66 : 139,450.86 = 55,020.06 : x
2. Step 2: Convert to fraction form
   93,084.66/139,450.86 = 55,020.06/x
3. Step 3: Cross multiply
   93,084.66x = 139,450.86 × 55,020.06
4. Step 4: Simplify right side
   93,084.66x = 7,672,594,684.25
5. Step 5: Solve for x
   x = 7,672,594,684.25/93,084.66
6. Step 6: Final answer
   x = 82,425.98