Finding the Fourth Proportional to 42,827.02, 59,122 and 28,510.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,827.02 : 59,122 = 28,510.72 : x
2. Step 2: Convert to fraction form
   42,827.02/59,122 = 28,510.72/x
3. Step 3: Cross multiply
   42,827.02x = 59,122 × 28,510.72
4. Step 4: Simplify right side
   42,827.02x = 1,685,610,787.84
5. Step 5: Solve for x
   x = 1,685,610,787.84/42,827.02
6. Step 6: Final answer
   x = 39,358.58