Finding the Fourth Proportional to 31,054,137, 42,854,878.98 and 18,009,130.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,054,137 : 42,854,878.98 = 18,009,130.28 : x
2. Step 2: Convert to fraction form
   31,054,137/42,854,878.98 = 18,009,130.28/x
3. Step 3: Cross multiply
   31,054,137x = 42,854,878.98 × 18,009,130.28
4. Step 4: Simplify right side
   31,054,137x = 771,779,098,684,453.50
5. Step 5: Solve for x
   x = 771,779,098,684,453.50/31,054,137
6. Step 6: Final answer
   x = 24,852,698.33