Finding the Fourth Proportional to 42,555.41, 58,671.56 and 34,870.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,555.41 : 58,671.56 = 34,870.10 : x
2. Step 2: Convert to fraction form
   42,555.41/58,671.56 = 34,870.10/x
3. Step 3: Cross multiply
   42,555.41x = 58,671.56 × 34,870.10
4. Step 4: Simplify right side
   42,555.41x = 2,045,883,164.36
5. Step 5: Solve for x
   x = 2,045,883,164.36/42,555.41
6. Step 6: Final answer
   x = 48,075.75