Finding the Fourth Proportional to 72,476,837.38, 108,701,222.67 and 28,161,045.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,476,837.38 : 108,701,222.67 = 28,161,045.10 : x
2. Step 2: Convert to fraction form
   72,476,837.38/108,701,222.67 = 28,161,045.10/x
3. Step 3: Cross multiply
   72,476,837.38x = 108,701,222.67 × 28,161,045.10
4. Step 4: Simplify right side
   72,476,837.38x = 3,061,140,034,035,012.50
5. Step 5: Solve for x
   x = 3,061,140,034,035,012.50/72,476,837.38
6. Step 6: Final answer
   x = 42,236,114.94