Finding the Fourth Proportional to 76,069.23, 104,974.63 and 42,075.05

Step by Step Solution

1. Step 1: Write the proportion equation
   76,069.23 : 104,974.63 = 42,075.05 : x
2. Step 2: Convert to fraction form
   76,069.23/104,974.63 = 42,075.05/x
3. Step 3: Cross multiply
   76,069.23x = 104,974.63 × 42,075.05
4. Step 4: Simplify right side
   76,069.23x = 4,416,812,412.59
5. Step 5: Solve for x
   x = 4,416,812,412.59/76,069.23
6. Step 6: Final answer
   x = 58,063.06