Finding the Fourth Proportional to 139,968,607.70, 209,952,911.55 and 49,101,382.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,607.70 : 209,952,911.55 = 49,101,382.10 : x
2. Step 2: Convert to fraction form
   139,968,607.70/209,952,911.55 = 49,101,382.10/x
3. Step 3: Cross multiply
   139,968,607.70x = 209,952,911.55 × 49,101,382.10
4. Step 4: Simplify right side
   139,968,607.70x = 10,308,978,133,024,054
5. Step 5: Solve for x
   x = 10,308,978,133,024,054/139,968,607.70
6. Step 6: Final answer
   x = 73,652,073.15