Finding the Fourth Proportional to 77,962.55, 116,744.57 and 42,863.63

Step by Step Solution

1. Step 1: Write the proportion equation
   77,962.55 : 116,744.57 = 42,863.63 : x
2. Step 2: Convert to fraction form
   77,962.55/116,744.57 = 42,863.63/x
3. Step 3: Cross multiply
   77,962.55x = 116,744.57 × 42,863.63
4. Step 4: Simplify right side
   77,962.55x = 5,004,095,838.67
5. Step 5: Solve for x
   x = 5,004,095,838.67/77,962.55
6. Step 6: Final answer
   x = 64,185.89