Finding the Fourth Proportional to 72,084,153.84, 108,093,901.08 and 42,951,721

Step by Step Solution

1. Step 1: Write the proportion equation
   72,084,153.84 : 108,093,901.08 = 42,951,721 : x
2. Step 2: Convert to fraction form
   72,084,153.84/108,093,901.08 = 42,951,721/x
3. Step 3: Cross multiply
   72,084,153.84x = 108,093,901.08 × 42,951,721
4. Step 4: Simplify right side
   72,084,153.84x = 4,642,819,080,989,759
5. Step 5: Solve for x
   x = 4,642,819,080,989,759/72,084,153.84
6. Step 6: Final answer
   x = 64,408,317.69