Finding the Fourth Proportional to 75,535, 104,238.48 and 42,007.48

Step by Step Solution

1. Step 1: Write the proportion equation
   75,535 : 104,238.48 = 42,007.48 : x
2. Step 2: Convert to fraction form
   75,535/104,238.48 = 42,007.48/x
3. Step 3: Cross multiply
   75,535x = 104,238.48 × 42,007.48
4. Step 4: Simplify right side
   75,535x = 4,378,795,863.83
5. Step 5: Solve for x
   x = 4,378,795,863.83/75,535
6. Step 6: Final answer
   x = 57,970.42