Finding the Fourth Proportional to 31,227,880, 43,121,068.32 and 19,644,828.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,227,880 : 43,121,068.32 = 19,644,828.16 : x
2. Step 2: Convert to fraction form
   31,227,880/43,121,068.32 = 19,644,828.16/x
3. Step 3: Cross multiply
   31,227,880x = 43,121,068.32 × 19,644,828.16
4. Step 4: Simplify right side
   31,227,880x = 847,105,977,222,019.88
5. Step 5: Solve for x
   x = 847,105,977,222,019.88/31,227,880
6. Step 6: Final answer
   x = 27,126,592.56