Finding the Fourth Proportional to 12,093,032.56, 18,139,436.24 and 4,902,857.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093,032.56 : 18,139,436.24 = 4,902,857.38 : x
2. Step 2: Convert to fraction form
   12,093,032.56/18,139,436.24 = 4,902,857.38/x
3. Step 3: Cross multiply
   12,093,032.56x = 18,139,436.24 × 4,902,857.38
4. Step 4: Simplify right side
   12,093,032.56x = 88,935,068,838,323.44
5. Step 5: Solve for x
   x = 88,935,068,838,323.44/12,093,032.56
6. Step 6: Final answer
   x = 7,354,240.42