Finding the Fourth Proportional to 31,112,110.71, 42,934,715.15 and 17,173,469.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,112,110.71 : 42,934,715.15 = 17,173,469.12 : x
2. Step 2: Convert to fraction form
   31,112,110.71/42,934,715.15 = 17,173,469.12/x
3. Step 3: Cross multiply
   31,112,110.71x = 42,934,715.15 × 17,173,469.12
4. Step 4: Simplify right side
   31,112,110.71x = 737,338,004,503,980.25
5. Step 5: Solve for x
   x = 737,338,004,503,980.25/31,112,110.71
6. Step 6: Final answer
   x = 23,699,388.68