Finding the Fourth Proportional to 42,700.96, 58,923.18 and 29,283.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,700.96 : 58,923.18 = 29,283.72 : x
2. Step 2: Convert to fraction form
   42,700.96/58,923.18 = 29,283.72/x
3. Step 3: Cross multiply
   42,700.96x = 58,923.18 × 29,283.72
4. Step 4: Simplify right side
   42,700.96x = 1,725,489,904.63
5. Step 5: Solve for x
   x = 1,725,489,904.63/42,700.96
6. Step 6: Final answer
   x = 40,408.69