Finding the Fourth Proportional to 93,300.70, 139,946.79 and 30,123.74

Step by Step Solution

1. Step 1: Write the proportion equation
   93,300.70 : 139,946.79 = 30,123.74 : x
2. Step 2: Convert to fraction form
   93,300.70/139,946.79 = 30,123.74/x
3. Step 3: Cross multiply
   93,300.70x = 139,946.79 × 30,123.74
4. Step 4: Simplify right side
   93,300.70x = 4,215,720,129.02
5. Step 5: Solve for x
   x = 4,215,720,129.02/93,300.70
6. Step 6: Final answer
   x = 45,184.23