Finding the Fourth Proportional to 12,093,076.31, 18,139,501.53 and 4,902,900.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093,076.31 : 18,139,501.53 = 4,902,900.98 : x
2. Step 2: Convert to fraction form
   12,093,076.31/18,139,501.53 = 4,902,900.98/x
3. Step 3: Cross multiply
   12,093,076.31x = 18,139,501.53 × 4,902,900.98
4. Step 4: Simplify right side
   12,093,076.31x = 88,936,179,737,450.98
5. Step 5: Solve for x
   x = 88,936,179,737,450.98/12,093,076.31
6. Step 6: Final answer
   x = 7,354,305.68