Finding the Fourth Proportional to 113,211.02, 169,816.80 and 30,105.02

Step by Step Solution

1. Step 1: Write the proportion equation
   113,211.02 : 169,816.80 = 30,105.02 : x
2. Step 2: Convert to fraction form
   113,211.02/169,816.80 = 30,105.02/x
3. Step 3: Cross multiply
   113,211.02x = 169,816.80 × 30,105.02
4. Step 4: Simplify right side
   113,211.02x = 5,112,338,160.34
5. Step 5: Solve for x
   x = 5,112,338,160.34/113,211.02
6. Step 6: Final answer
   x = 45,157.60