Finding the Fourth Proportional to 139,805,311.97, 209,716,375.52 and 42,761,860.32

Step by Step Solution

1. Step 1: Write the proportion equation
   139,805,311.97 : 209,716,375.52 = 42,761,860.32 : x
2. Step 2: Convert to fraction form
   139,805,311.97/209,716,375.52 = 42,761,860.32/x
3. Step 3: Cross multiply
   139,805,311.97x = 209,716,375.52 × 42,761,860.32
4. Step 4: Simplify right side
   139,805,311.97x = 8,967,862,357,049,104
5. Step 5: Solve for x
   x = 8,967,862,357,049,104/139,805,311.97
6. Step 6: Final answer
   x = 64,145,362.08