Finding the Fourth Proportional to 93,145.74, 139,002.98 and 83,180.94

Step by Step Solution

1. Step 1: Write the proportion equation
   93,145.74 : 139,002.98 = 83,180.94 : x
2. Step 2: Convert to fraction form
   93,145.74/139,002.98 = 83,180.94/x
3. Step 3: Cross multiply
   93,145.74x = 139,002.98 × 83,180.94
4. Step 4: Simplify right side
   93,145.74x = 11,562,398,123.30
5. Step 5: Solve for x
   x = 11,562,398,123.30/93,145.74
6. Step 6: Final answer
   x = 124,132.33