Finding the Fourth Proportional to 31,084,997, 42,897,295.86 and 18,207,941

Step by Step Solution

1. Step 1: Write the proportion equation
   31,084,997 : 42,897,295.86 = 18,207,941 : x
2. Step 2: Convert to fraction form
   31,084,997/42,897,295.86 = 18,207,941/x
3. Step 3: Cross multiply
   31,084,997x = 42,897,295.86 × 18,207,941
4. Step 4: Simplify right side
   31,084,997x = 781,071,432,078,424.25
5. Step 5: Solve for x
   x = 781,071,432,078,424.25/31,084,997
6. Step 6: Final answer
   x = 25,126,958.58