Finding the Fourth Proportional to 42,340.84, 58,429.86 and 23,221.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,340.84 : 58,429.86 = 23,221.60 : x
2. Step 2: Convert to fraction form
   42,340.84/58,429.86 = 23,221.60/x
3. Step 3: Cross multiply
   42,340.84x = 58,429.86 × 23,221.60
4. Step 4: Simplify right side
   42,340.84x = 1,356,834,836.98
5. Step 5: Solve for x
   x = 1,356,834,836.98/42,340.84
6. Step 6: Final answer
   x = 32,045.53