Finding the Fourth Proportional to 56,045.69, 77,341.50 and 30,552.55

Step by Step Solution

1. Step 1: Write the proportion equation
   56,045.69 : 77,341.50 = 30,552.55 : x
2. Step 2: Convert to fraction form
   56,045.69/77,341.50 = 30,552.55/x
3. Step 3: Cross multiply
   56,045.69x = 77,341.50 × 30,552.55
4. Step 4: Simplify right side
   56,045.69x = 2,362,980,045.83
5. Step 5: Solve for x
   x = 2,362,980,045.83/56,045.69
6. Step 6: Final answer
   x = 42,161.67