Finding the Fourth Proportional to 139,968,104.10, 209,952,156.15 and 111,057,713.70

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,104.10 : 209,952,156.15 = 111,057,713.70 : x
2. Step 2: Convert to fraction form
   139,968,104.10/209,952,156.15 = 111,057,713.70/x
3. Step 3: Cross multiply
   139,968,104.10x = 209,952,156.15 × 111,057,713.70
4. Step 4: Simplify right side
   139,968,104.10x = 23,316,806,448,404,396
5. Step 5: Solve for x
   x = 23,316,806,448,404,396/139,968,104.10
6. Step 6: Final answer
   x = 166,586,570.55