Finding the Fourth Proportional to 12,843,606.63, 19,262,461.82 and 7,657,683.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,843,606.63 : 19,262,461.82 = 7,657,683.57 : x
2. Step 2: Convert to fraction form
   12,843,606.63/19,262,461.82 = 7,657,683.57/x
3. Step 3: Cross multiply
   12,843,606.63x = 19,262,461.82 × 7,657,683.57
4. Step 4: Simplify right side
   12,843,606.63x = 147,505,837,396,766.31
5. Step 5: Solve for x
   x = 147,505,837,396,766.31/12,843,606.63
6. Step 6: Final answer
   x = 11,484,767.61