Finding the Fourth Proportional to 12,735,328.16, 19,103,932.56 and 3,638,195.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,735,328.16 : 19,103,932.56 = 3,638,195.48 : x
2. Step 2: Convert to fraction form
   12,735,328.16/19,103,932.56 = 3,638,195.48/x
3. Step 3: Cross multiply
   12,735,328.16x = 19,103,932.56 × 3,638,195.48
4. Step 4: Simplify right side
   12,735,328.16x = 69,503,841,090,016.82
5. Step 5: Solve for x
   x = 69,503,841,090,016.82/12,735,328.16
6. Step 6: Final answer
   x = 5,457,561.85