Finding the Fourth Proportional to 42,771.00, 64,172.94 and 30,132.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,771.00 : 64,172.94 = 30,132.91 : x
2. Step 2: Convert to fraction form
   42,771.00/64,172.94 = 30,132.91/x
3. Step 3: Cross multiply
   42,771.00x = 64,172.94 × 30,132.91
4. Step 4: Simplify right side
   42,771.00x = 1,933,717,562.17
5. Step 5: Solve for x
   x = 1,933,717,562.17/42,771.00
6. Step 6: Final answer
   x = 45,210.95