Finding the Fourth Proportional to 31,008,561, 42,791,814.18 and 17,260,772.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,008,561 : 42,791,814.18 = 17,260,772.82 : x
2. Step 2: Convert to fraction form
   31,008,561/42,791,814.18 = 17,260,772.82/x
3. Step 3: Cross multiply
   31,008,561x = 42,791,814.18 × 17,260,772.82
4. Step 4: Simplify right side
   31,008,561x = 738,619,783,116,634.62
5. Step 5: Solve for x
   x = 738,619,783,116,634.62/31,008,561
6. Step 6: Final answer
   x = 23,819,866.49