Finding the Fourth Proportional to 56,023.50, 77,314.05 and 30,874.62

Step by Step Solution

1. Step 1: Write the proportion equation
   56,023.50 : 77,314.05 = 30,874.62 : x
2. Step 2: Convert to fraction form
   56,023.50/77,314.05 = 30,874.62/x
3. Step 3: Cross multiply
   56,023.50x = 77,314.05 × 30,874.62
4. Step 4: Simplify right side
   56,023.50x = 2,387,041,914.41
5. Step 5: Solve for x
   x = 2,387,041,914.41/56,023.50
6. Step 6: Final answer
   x = 42,607.87