Finding the Fourth Proportional to 78,304.99, 108,150.60 and 51,567.01

Step by Step Solution

1. Step 1: Write the proportion equation
   78,304.99 : 108,150.60 = 51,567.01 : x
2. Step 2: Convert to fraction form
   78,304.99/108,150.60 = 51,567.01/x
3. Step 3: Cross multiply
   78,304.99x = 108,150.60 × 51,567.01
4. Step 4: Simplify right side
   78,304.99x = 5,577,003,071.71
5. Step 5: Solve for x
   x = 5,577,003,071.71/78,304.99
6. Step 6: Final answer
   x = 71,221.55