Finding the Fourth Proportional to 76,427.82, 105,470.73 and 42,436.98

Step by Step Solution

1. Step 1: Write the proportion equation
   76,427.82 : 105,470.73 = 42,436.98 : x
2. Step 2: Convert to fraction form
   76,427.82/105,470.73 = 42,436.98/x
3. Step 3: Cross multiply
   76,427.82x = 105,470.73 × 42,436.98
4. Step 4: Simplify right side
   76,427.82x = 4,475,859,259.60
5. Step 5: Solve for x
   x = 4,475,859,259.60/76,427.82
6. Step 6: Final answer
   x = 58,563.22