Finding the Fourth Proportional to 93,241.95, 139,745.31 and 39,870.83

Step by Step Solution

1. Step 1: Write the proportion equation
   93,241.95 : 139,745.31 = 39,870.83 : x
2. Step 2: Convert to fraction form
   93,241.95/139,745.31 = 39,870.83/x
3. Step 3: Cross multiply
   93,241.95x = 139,745.31 × 39,870.83
4. Step 4: Simplify right side
   93,241.95x = 5,571,761,978.50
5. Step 5: Solve for x
   x = 5,571,761,978.50/93,241.95
6. Step 6: Final answer
   x = 59,755.96