Finding the Fourth Proportional to 42,141.72, 58,101.30 and 30,055.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,141.72 : 58,101.30 = 30,055.98 : x
2. Step 2: Convert to fraction form
   42,141.72/58,101.30 = 30,055.98/x
3. Step 3: Cross multiply
   42,141.72x = 58,101.30 × 30,055.98
4. Step 4: Simplify right side
   42,141.72x = 1,746,291,510.77
5. Step 5: Solve for x
   x = 1,746,291,510.77/42,141.72
6. Step 6: Final answer
   x = 41,438.54