Finding the Fourth Proportional to 72,476,836.38, 108,701,221.17 and 28,161,044.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,476,836.38 : 108,701,221.17 = 28,161,044.10 : x
2. Step 2: Convert to fraction form
   72,476,836.38/108,701,221.17 = 28,161,044.10/x
3. Step 3: Cross multiply
   72,476,836.38x = 108,701,221.17 × 28,161,044.10
4. Step 4: Simplify right side
   72,476,836.38x = 3,061,139,883,092,224
5. Step 5: Solve for x
   x = 3,061,139,883,092,224/72,476,836.38
6. Step 6: Final answer
   x = 42,236,113.44