Finding the Fourth Proportional to 12,280,390,535.18, 16,946,938,807.33 and 6,641,606,386.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,280,390,535.18 : 16,946,938,807.33 = 6,641,606,386.69 : x
2. Step 2: Convert to fraction form
   12,280,390,535.18/16,946,938,807.33 = 6,641,606,386.69/x
3. Step 3: Cross multiply
   12,280,390,535.18x = 16,946,938,807.33 × 6,641,606,386.69
4. Step 4: Simplify right side
   12,280,390,535.18x = 112,554,897,017,607,536,640
5. Step 5: Solve for x
   x = 112,554,897,017,607,536,640/12,280,390,535.18
6. Step 6: Final answer
   x = 9,165,416,742.67