Finding the Fourth Proportional to 89,137,236.06, 123,007,826.70 and 49,978,891.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,137,236.06 : 123,007,826.70 = 49,978,891.62 : x
2. Step 2: Convert to fraction form
   89,137,236.06/123,007,826.70 = 49,978,891.62/x
3. Step 3: Cross multiply
   89,137,236.06x = 123,007,826.70 × 49,978,891.62
4. Step 4: Simplify right side
   89,137,236.06x = 6,147,794,839,051,042
5. Step 5: Solve for x
   x = 6,147,794,839,051,042/89,137,236.06
6. Step 6: Final answer
   x = 68,969,996.28