Finding the Fourth Proportional to 31,139,028.82, 42,971,999.67 and 17,010,410.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,139,028.82 : 42,971,999.67 = 17,010,410.12 : x
2. Step 2: Convert to fraction form
   31,139,028.82/42,971,999.67 = 17,010,410.12/x
3. Step 3: Cross multiply
   31,139,028.82x = 42,971,999.67 × 17,010,410.12
4. Step 4: Simplify right side
   31,139,028.82x = 730,971,337,763,292.50
5. Step 5: Solve for x
   x = 730,971,337,763,292.50/31,139,028.82
6. Step 6: Final answer
   x = 23,474,442.38