Finding the Fourth Proportional to 72,131.00, 99,476.04 and 60,071.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,131.00 : 99,476.04 = 60,071.31 : x
2. Step 2: Convert to fraction form
   72,131.00/99,476.04 = 60,071.31/x
3. Step 3: Cross multiply
   72,131.00x = 99,476.04 × 60,071.31
4. Step 4: Simplify right side
   72,131.00x = 5,975,656,036.41
5. Step 5: Solve for x
   x = 5,975,656,036.41/72,131.00
6. Step 6: Final answer
   x = 82,844.50