Finding the Fourth Proportional to 12,709,285,970.29, 19,066,686,810.79 and 3,865,894,982.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,709,285,970.29 : 19,066,686,810.79 = 3,865,894,982.69 : x
2. Step 2: Convert to fraction form
   12,709,285,970.29/19,066,686,810.79 = 3,865,894,982.69/x
3. Step 3: Cross multiply
   12,709,285,970.29x = 19,066,686,810.79 × 3,865,894,982.69
4. Step 4: Simplify right side
   12,709,285,970.29x = 73,709,808,878,333,739,008
5. Step 5: Solve for x
   x = 73,709,808,878,333,739,008/12,709,285,970.29
6. Step 6: Final answer
   x = 5,799,681,355.08