Finding the Fourth Proportional to 31,084,996, 42,897,294.48 and 18,207,940

Step by Step Solution

1. Step 1: Write the proportion equation
   31,084,996 : 42,897,294.48 = 18,207,940 : x
2. Step 2: Convert to fraction form
   31,084,996/42,897,294.48 = 18,207,940/x
3. Step 3: Cross multiply
   31,084,996x = 42,897,294.48 × 18,207,940
4. Step 4: Simplify right side
   31,084,996x = 781,071,364,054,171.12
5. Step 5: Solve for x
   x = 781,071,364,054,171.12/31,084,996
6. Step 6: Final answer
   x = 25,126,957.20