Finding the Fourth Proportional to 93,900.18, 140,847.84 and 31,570.68

Step by Step Solution

1. Step 1: Write the proportion equation
   93,900.18 : 140,847.84 = 31,570.68 : x
2. Step 2: Convert to fraction form
   93,900.18/140,847.84 = 31,570.68/x
3. Step 3: Cross multiply
   93,900.18x = 140,847.84 × 31,570.68
4. Step 4: Simplify right side
   93,900.18x = 4,446,662,085.33
5. Step 5: Solve for x
   x = 4,446,662,085.33/93,900.18
6. Step 6: Final answer
   x = 47,355.20