Finding the Fourth Proportional to 77,406.33, 116,142.37 and 42,304.98

Step by Step Solution

1. Step 1: Write the proportion equation
   77,406.33 : 116,142.37 = 42,304.98 : x
2. Step 2: Convert to fraction form
   77,406.33/116,142.37 = 42,304.98/x
3. Step 3: Cross multiply
   77,406.33x = 116,142.37 × 42,304.98
4. Step 4: Simplify right side
   77,406.33x = 4,913,400,640.00
5. Step 5: Solve for x
   x = 4,913,400,640.00/77,406.33
6. Step 6: Final answer
   x = 63,475.44