Finding the Fourth Proportional to 42,378.30, 58,485.51 and 23,521.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,378.30 : 58,485.51 = 23,521.50 : x
2. Step 2: Convert to fraction form
   42,378.30/58,485.51 = 23,521.50/x
3. Step 3: Cross multiply
   42,378.30x = 58,485.51 × 23,521.50
4. Step 4: Simplify right side
   42,378.30x = 1,375,666,923.47
5. Step 5: Solve for x
   x = 1,375,666,923.47/42,378.30
6. Step 6: Final answer
   x = 32,461.59