Finding the Fourth Proportional to 139,968,116.04, 209,952,174.06 and 139,968,116.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,116.04 : 209,952,174.06 = 139,968,116.04 : x
2. Step 2: Convert to fraction form
   139,968,116.04/209,952,174.06 = 139,968,116.04/x
3. Step 3: Cross multiply
   139,968,116.04x = 209,952,174.06 × 139,968,116.04
4. Step 4: Simplify right side
   139,968,116.04x = 29,386,610,261,680,356
5. Step 5: Solve for x
   x = 29,386,610,261,680,356/139,968,116.04
6. Step 6: Final answer
   x = 209,952,174.06