Finding the Fourth Proportional to 112,963.52, 155,908.32 and 62,678.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,963.52 : 155,908.32 = 62,678.72 : x
2. Step 2: Convert to fraction form
   112,963.52/155,908.32 = 62,678.72/x
3. Step 3: Cross multiply
   112,963.52x = 155,908.32 × 62,678.72
4. Step 4: Simplify right side
   112,963.52x = 9,772,133,934.95
5. Step 5: Solve for x
   x = 9,772,133,934.95/112,963.52
6. Step 6: Final answer
   x = 86,506.99