Finding the Fourth Proportional to 55,706.16, 76,875.12 and 30,555.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,706.16 : 76,875.12 = 30,555.12 : x
2. Step 2: Convert to fraction form
   55,706.16/76,875.12 = 30,555.12/x
3. Step 3: Cross multiply
   55,706.16x = 76,875.12 × 30,555.12
4. Step 4: Simplify right side
   55,706.16x = 2,348,928,516.61
5. Step 5: Solve for x
   x = 2,348,928,516.61/55,706.16
6. Step 6: Final answer
   x = 42,166.41