Finding the Fourth Proportional to 31,157,871.98, 42,995,610.68 and 17,219,060.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,157,871.98 : 42,995,610.68 = 17,219,060.28 : x
2. Step 2: Convert to fraction form
   31,157,871.98/42,995,610.68 = 17,219,060.28/x
3. Step 3: Cross multiply
   31,157,871.98x = 42,995,610.68 × 17,219,060.28
4. Step 4: Simplify right side
   31,157,871.98x = 740,344,012,074,331.88
5. Step 5: Solve for x
   x = 740,344,012,074,331.88/31,157,871.98
6. Step 6: Final answer
   x = 23,761,058.28