Finding the Fourth Proportional to 55,776, 76,971.42 and 30,626.04

Step by Step Solution

1. Step 1: Write the proportion equation
   55,776 : 76,971.42 = 30,626.04 : x
2. Step 2: Convert to fraction form
   55,776/76,971.42 = 30,626.04/x
3. Step 3: Cross multiply
   55,776x = 76,971.42 × 30,626.04
4. Step 4: Simplify right side
   55,776x = 2,357,329,787.78
5. Step 5: Solve for x
   x = 2,357,329,787.78/55,776
6. Step 6: Final answer
   x = 42,264.23