Finding the Fourth Proportional to 31,007,412, 42,789,810.60 and 17,256,372.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,007,412 : 42,789,810.60 = 17,256,372.48 : x
2. Step 2: Convert to fraction form
   31,007,412/42,789,810.60 = 17,256,372.48/x
3. Step 3: Cross multiply
   31,007,412x = 42,789,810.60 × 17,256,372.48
4. Step 4: Simplify right side
   31,007,412x = 738,396,910,062,252.38
5. Step 5: Solve for x
   x = 738,396,910,062,252.38/31,007,412
6. Step 6: Final answer
   x = 23,813,561.42