Finding the Fourth Proportional to 56,354.04, 77,768.71 and 30,862.08

Step by Step Solution

1. Step 1: Write the proportion equation
   56,354.04 : 77,768.71 = 30,862.08 : x
2. Step 2: Convert to fraction form
   56,354.04/77,768.71 = 30,862.08/x
3. Step 3: Cross multiply
   56,354.04x = 77,768.71 × 30,862.08
4. Step 4: Simplify right side
   56,354.04x = 2,400,104,149.52
5. Step 5: Solve for x
   x = 2,400,104,149.52/56,354.04
6. Step 6: Final answer
   x = 42,589.74