Finding the Fourth Proportional to 3,157,196.56, 4,735,006.68 and 1,238,497.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,157,196.56 : 4,735,006.68 = 1,238,497.72 : x
2. Step 2: Convert to fraction form
   3,157,196.56/4,735,006.68 = 1,238,497.72/x
3. Step 3: Cross multiply
   3,157,196.56x = 4,735,006.68 × 1,238,497.72
4. Step 4: Simplify right side
   3,157,196.56x = 5,864,294,977,364.77
5. Step 5: Solve for x
   x = 5,864,294,977,364.77/3,157,196.56
6. Step 6: Final answer
   x = 1,857,437.40