Finding the Fourth Proportional to 42,643.45, 58,858.52 and 29,053.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,643.45 : 58,858.52 = 29,053.98 : x
2. Step 2: Convert to fraction form
   42,643.45/58,858.52 = 29,053.98/x
3. Step 3: Cross multiply
   42,643.45x = 58,858.52 × 29,053.98
4. Step 4: Simplify right side
   42,643.45x = 1,710,074,117.64
5. Step 5: Solve for x
   x = 1,710,074,117.64/42,643.45
6. Step 6: Final answer
   x = 40,101.68