Finding the Fourth Proportional to 71,005.72, 105,927.09 and 69,075.24

Step by Step Solution

1. Step 1: Write the proportion equation
   71,005.72 : 105,927.09 = 69,075.24 : x
2. Step 2: Convert to fraction form
   71,005.72/105,927.09 = 69,075.24/x
3. Step 3: Cross multiply
   71,005.72x = 105,927.09 × 69,075.24
4. Step 4: Simplify right side
   71,005.72x = 7,316,939,164.25
5. Step 5: Solve for x
   x = 7,316,939,164.25/71,005.72
6. Step 6: Final answer
   x = 103,047.18