Finding the Fourth Proportional to 112,995.72, 155,933.64 and 62,694.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,995.72 : 155,933.64 = 62,694.72 : x
2. Step 2: Convert to fraction form
   112,995.72/155,933.64 = 62,694.72/x
3. Step 3: Cross multiply
   112,995.72x = 155,933.64 × 62,694.72
4. Step 4: Simplify right side
   112,995.72x = 9,776,215,898.38
5. Step 5: Solve for x
   x = 9,776,215,898.38/112,995.72
6. Step 6: Final answer
   x = 86,518.46