Finding the Fourth Proportional to 93,297.07, 139,972.88 and 30,115.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,297.07 : 139,972.88 = 30,115.72 : x
2. Step 2: Convert to fraction form
   93,297.07/139,972.88 = 30,115.72/x
3. Step 3: Cross multiply
   93,297.07x = 139,972.88 × 30,115.72
4. Step 4: Simplify right side
   93,297.07x = 4,215,384,061.67
5. Step 5: Solve for x
   x = 4,215,384,061.67/93,297.07
6. Step 6: Final answer
   x = 45,182.38