Finding the Fourth Proportional to 93,870.72, 140,808.24 and 31,541.76

Step by Step Solution

1. Step 1: Write the proportion equation
   93,870.72 : 140,808.24 = 31,541.76 : x
2. Step 2: Convert to fraction form
   93,870.72/140,808.24 = 31,541.76/x
3. Step 3: Cross multiply
   93,870.72x = 140,808.24 × 31,541.76
4. Step 4: Simplify right side
   93,870.72x = 4,441,339,712.10
5. Step 5: Solve for x
   x = 4,441,339,712.10/93,870.72
6. Step 6: Final answer
   x = 47,313.37