Finding the Fourth Proportional to 42,141.61, 58,155.51 and 23,021.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,141.61 : 58,155.51 = 23,021.53 : x
2. Step 2: Convert to fraction form
   42,141.61/58,155.51 = 23,021.53/x
3. Step 3: Cross multiply
   42,141.61x = 58,155.51 × 23,021.53
4. Step 4: Simplify right side
   42,141.61x = 1,338,828,818.13
5. Step 5: Solve for x
   x = 1,338,828,818.13/42,141.61
6. Step 6: Final answer
   x = 31,769.76