Finding the Fourth Proportional to 92,063.52, 137,928.32 and 42,185.28

Step by Step Solution

1. Step 1: Write the proportion equation
   92,063.52 : 137,928.32 = 42,185.28 : x
2. Step 2: Convert to fraction form
   92,063.52/137,928.32 = 42,185.28/x
3. Step 3: Cross multiply
   92,063.52x = 137,928.32 × 42,185.28
4. Step 4: Simplify right side
   92,063.52x = 5,818,544,799.13
5. Step 5: Solve for x
   x = 5,818,544,799.13/92,063.52
6. Step 6: Final answer
   x = 63,201.42