Finding the Fourth Proportional to 56,271.58, 77,651.89 and 30,772.99

Step by Step Solution

1. Step 1: Write the proportion equation
   56,271.58 : 77,651.89 = 30,772.99 : x
2. Step 2: Convert to fraction form
   56,271.58/77,651.89 = 30,772.99/x
3. Step 3: Cross multiply
   56,271.58x = 77,651.89 × 30,772.99
4. Step 4: Simplify right side
   56,271.58x = 2,389,580,834.45
5. Step 5: Solve for x
   x = 2,389,580,834.45/56,271.58
6. Step 6: Final answer
   x = 42,465.15