Finding the Fourth Proportional to 42,051.56, 58,029.96 and 23,188.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,051.56 : 58,029.96 = 23,188.70 : x
2. Step 2: Convert to fraction form
   42,051.56/58,029.96 = 23,188.70/x
3. Step 3: Cross multiply
   42,051.56x = 58,029.96 × 23,188.70
4. Step 4: Simplify right side
   42,051.56x = 1,345,639,333.45
5. Step 5: Solve for x
   x = 1,345,639,333.45/42,051.56
6. Step 6: Final answer
   x = 31,999.75