Finding the Fourth Proportional to 71,061.66, 106,536.33 and 48,809.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,061.66 : 106,536.33 = 48,809.10 : x
2. Step 2: Convert to fraction form
   71,061.66/106,536.33 = 48,809.10/x
3. Step 3: Cross multiply
   71,061.66x = 106,536.33 × 48,809.10
4. Step 4: Simplify right side
   71,061.66x = 5,199,942,384.60
5. Step 5: Solve for x
   x = 5,199,942,384.60/71,061.66
6. Step 6: Final answer
   x = 73,175.08