Finding the Fourth Proportional to 139,968,007.10, 209,574,097.05 and 139,968,007.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,007.10 : 209,574,097.05 = 139,968,007.10 : x
2. Step 2: Convert to fraction form
   139,968,007.10/209,574,097.05 = 139,968,007.10/x
3. Step 3: Cross multiply
   139,968,007.10x = 209,574,097.05 × 139,968,007.10
4. Step 4: Simplify right side
   139,968,007.10x = 29,333,668,703,870,488
5. Step 5: Solve for x
   x = 29,333,668,703,870,488/139,968,007.10
6. Step 6: Final answer
   x = 209,574,097.05