Finding the Fourth Proportional to 46,123.10, 69,075.30 and 46,123.10

Step by Step Solution

1. Step 1: Write the proportion equation
   46,123.10 : 69,075.30 = 46,123.10 : x
2. Step 2: Convert to fraction form
   46,123.10/69,075.30 = 46,123.10/x
3. Step 3: Cross multiply
   46,123.10x = 69,075.30 × 46,123.10
4. Step 4: Simplify right side
   46,123.10x = 3,185,966,969.43
5. Step 5: Solve for x
   x = 3,185,966,969.43/46,123.10
6. Step 6: Final answer
   x = 69,075.30