Finding the Fourth Proportional to 35,577.84, 49,060.32 and 30,558.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,577.84 : 49,060.32 = 30,558.72 : x
2. Step 2: Convert to fraction form
   35,577.84/49,060.32 = 30,558.72/x
3. Step 3: Cross multiply
   35,577.84x = 49,060.32 × 30,558.72
4. Step 4: Simplify right side
   35,577.84x = 1,499,220,581.99
5. Step 5: Solve for x
   x = 1,499,220,581.99/35,577.84
6. Step 6: Final answer
   x = 42,139.17