Finding the Fourth Proportional to 13,231,146.56, 19,834,120.56 and 4,249,400

Step by Step Solution

1. Step 1: Write the proportion equation
   13,231,146.56 : 19,834,120.56 = 4,249,400 : x
2. Step 2: Convert to fraction form
   13,231,146.56/19,834,120.56 = 4,249,400/x
3. Step 3: Cross multiply
   13,231,146.56x = 19,834,120.56 × 4,249,400
4. Step 4: Simplify right side
   13,231,146.56x = 84,283,111,907,664
5. Step 5: Solve for x
   x = 84,283,111,907,664/13,231,146.56
6. Step 6: Final answer
   x = 6,370,053.53