Finding the Fourth Proportional to 31,139,028.32, 42,971,998.97 and 17,010,409.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,139,028.32 : 42,971,998.97 = 17,010,409.61 : x
2. Step 2: Convert to fraction form
   31,139,028.32/42,971,998.97 = 17,010,409.61/x
3. Step 3: Cross multiply
   31,139,028.32x = 42,971,998.97 × 17,010,409.61
4. Step 4: Simplify right side
   31,139,028.32x = 730,971,304,390,154.12
5. Step 5: Solve for x
   x = 730,971,304,390,154.12/31,139,028.32
6. Step 6: Final answer
   x = 23,474,441.69