Finding the Fourth Proportional to 31,109,892.90, 42,931,420.20 and 17,171,245.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,109,892.90 : 42,931,420.20 = 17,171,245.14 : x
2. Step 2: Convert to fraction form
   31,109,892.90/42,931,420.20 = 17,171,245.14/x
3. Step 3: Cross multiply
   31,109,892.90x = 42,931,420.20 × 17,171,245.14
4. Step 4: Simplify right side
   31,109,892.90x = 737,185,940,462,547.88
5. Step 5: Solve for x
   x = 737,185,940,462,547.88/31,109,892.90
6. Step 6: Final answer
   x = 23,696,190.24