Finding the Fourth Proportional to 76,299.84, 105,300.03 and 42,319.02

Step by Step Solution

1. Step 1: Write the proportion equation
   76,299.84 : 105,300.03 = 42,319.02 : x
2. Step 2: Convert to fraction form
   76,299.84/105,300.03 = 42,319.02/x
3. Step 3: Cross multiply
   76,299.84x = 105,300.03 × 42,319.02
4. Step 4: Simplify right side
   76,299.84x = 4,456,194,075.57
5. Step 5: Solve for x
   x = 4,456,194,075.57/76,299.84
6. Step 6: Final answer
   x = 58,403.71