Finding the Fourth Proportional to 71,075.34, 98,089.74 and 40,870.48

Step by Step Solution

1. Step 1: Write the proportion equation
   71,075.34 : 98,089.74 = 40,870.48 : x
2. Step 2: Convert to fraction form
   71,075.34/98,089.74 = 40,870.48/x
3. Step 3: Cross multiply
   71,075.34x = 98,089.74 × 40,870.48
4. Step 4: Simplify right side
   71,075.34x = 4,008,974,756.88
5. Step 5: Solve for x
   x = 4,008,974,756.88/71,075.34
6. Step 6: Final answer
   x = 56,404.58