Finding the Fourth Proportional to 112,767.50, 155,619.15 and 68,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,767.50 : 155,619.15 = 68,055.50 : x
2. Step 2: Convert to fraction form
   112,767.50/155,619.15 = 68,055.50/x
3. Step 3: Cross multiply
   112,767.50x = 155,619.15 × 68,055.50
4. Step 4: Simplify right side
   112,767.50x = 10,590,739,062.83
5. Step 5: Solve for x
   x = 10,590,739,062.83/112,767.50
6. Step 6: Final answer
   x = 93,916.59