Finding the Fourth Proportional to 53,979, 74,488.86 and 30,105.48

Step by Step Solution

1. Step 1: Write the proportion equation
   53,979 : 74,488.86 = 30,105.48 : x
2. Step 2: Convert to fraction form
   53,979/74,488.86 = 30,105.48/x
3. Step 3: Cross multiply
   53,979x = 74,488.86 × 30,105.48
4. Step 4: Simplify right side
   53,979x = 2,242,522,884.95
5. Step 5: Solve for x
   x = 2,242,522,884.95/53,979
6. Step 6: Final answer
   x = 41,544.36