Finding the Fourth Proportional to 139,542,287.28, 209,297,486.52 and 37,314,296.88

Step by Step Solution

1. Step 1: Write the proportion equation
   139,542,287.28 : 209,297,486.52 = 37,314,296.88 : x
2. Step 2: Convert to fraction form
   139,542,287.28/209,297,486.52 = 37,314,296.88/x
3. Step 3: Cross multiply
   139,542,287.28x = 209,297,486.52 × 37,314,296.88
4. Step 4: Simplify right side
   139,542,287.28x = 7,809,788,548,245,079
5. Step 5: Solve for x
   x = 7,809,788,548,245,079/139,542,287.28
6. Step 6: Final answer
   x = 55,967,181.71