Finding the Fourth Proportional to 93,379, 140,069.72 and 31,049.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,379 : 140,069.72 = 31,049.50 : x
2. Step 2: Convert to fraction form
   93,379/140,069.72 = 31,049.50/x
3. Step 3: Cross multiply
   93,379x = 140,069.72 × 31,049.50
4. Step 4: Simplify right side
   93,379x = 4,349,094,771.14
5. Step 5: Solve for x
   x = 4,349,094,771.14/93,379
6. Step 6: Final answer
   x = 46,574.66