Finding the Fourth Proportional to 5,407,141,404.78, 8,111,627,846.10 and 1,864,921,064.49

Step by Step Solution

1. Step 1: Write the proportion equation
   5,407,141,404.78 : 8,111,627,846.10 = 1,864,921,064.49 : x
2. Step 2: Convert to fraction form
   5,407,141,404.78/8,111,627,846.10 = 1,864,921,064.49/x
3. Step 3: Cross multiply
   5,407,141,404.78x = 8,111,627,846.10 × 1,864,921,064.49
4. Step 4: Simplify right side
   5,407,141,404.78x = 15,127,545,637,495,537,664
5. Step 5: Solve for x
   x = 15,127,545,637,495,537,664/5,407,141,404.78
6. Step 6: Final answer
   x = 2,797,697,434.75