Finding the Fourth Proportional to 43,028,397,404.40, 64,456,158,373.56 and 21,425,878,440

Step by Step Solution

1. Step 1: Write the proportion equation
   43,028,397,404.40 : 64,456,158,373.56 = 21,425,878,440 : x
2. Step 2: Convert to fraction form
   43,028,397,404.40/64,456,158,373.56 = 21,425,878,440/x
3. Step 3: Cross multiply
   43,028,397,404.40x = 64,456,158,373.56 × 21,425,878,440
4. Step 4: Simplify right side
   43,028,397,404.40x = 1,381,029,814,021,284,691,968
5. Step 5: Solve for x
   x = 1,381,029,814,021,284,691,968/43,028,397,404.40
6. Step 6: Final answer
   x = 32,095,776,215.92