Finding the Fourth Proportional to 56,031.53, 77,323.03 and 30,537.89

Step by Step Solution

1. Step 1: Write the proportion equation
   56,031.53 : 77,323.03 = 30,537.89 : x
2. Step 2: Convert to fraction form
   56,031.53/77,323.03 = 30,537.89/x
3. Step 3: Cross multiply
   56,031.53x = 77,323.03 × 30,537.89
4. Step 4: Simplify right side
   56,031.53x = 2,361,282,345.43
5. Step 5: Solve for x
   x = 2,361,282,345.43/56,031.53
6. Step 6: Final answer
   x = 42,142.03