Finding the Fourth Proportional to 56,083, 77,396.16 and 30,934.12

Step by Step Solution

1. Step 1: Write the proportion equation
   56,083 : 77,396.16 = 30,934.12 : x
2. Step 2: Convert to fraction form
   56,083/77,396.16 = 30,934.12/x
3. Step 3: Cross multiply
   56,083x = 77,396.16 × 30,934.12
4. Step 4: Simplify right side
   56,083x = 2,394,182,100.98
5. Step 5: Solve for x
   x = 2,394,182,100.98/56,083
6. Step 6: Final answer
   x = 42,689.98