Finding the Fourth Proportional to 31,069,401.05, 42,876,109.67 and 17,130,783.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,069,401.05 : 42,876,109.67 = 17,130,783.12 : x
2. Step 2: Convert to fraction form
   31,069,401.05/42,876,109.67 = 17,130,783.12/x
3. Step 3: Cross multiply
   31,069,401.05x = 42,876,109.67 × 17,130,783.12
4. Step 4: Simplify right side
   31,069,401.05x = 734,501,335,700,450.88
5. Step 5: Solve for x
   x = 734,501,335,700,450.88/31,069,401.05
6. Step 6: Final answer
   x = 23,640,666.09