Finding the Fourth Proportional to 55,856, 77,081.82 and 30,706.04

Step by Step Solution

1. Step 1: Write the proportion equation
   55,856 : 77,081.82 = 30,706.04 : x
2. Step 2: Convert to fraction form
   55,856/77,081.82 = 30,706.04/x
3. Step 3: Cross multiply
   55,856x = 77,081.82 × 30,706.04
4. Step 4: Simplify right side
   55,856x = 2,366,877,448.19
5. Step 5: Solve for x
   x = 2,366,877,448.19/55,856
6. Step 6: Final answer
   x = 42,374.63