Finding the Fourth Proportional to 7,186,456.91, 9,917,312.61 and 3,967,192.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,186,456.91 : 9,917,312.61 = 3,967,192.91 : x
2. Step 2: Convert to fraction form
   7,186,456.91/9,917,312.61 = 3,967,192.91/x
3. Step 3: Cross multiply
   7,186,456.91x = 9,917,312.61 × 3,967,192.91
4. Step 4: Simplify right side
   7,186,456.91x = 39,343,892,223,059.03
5. Step 5: Solve for x
   x = 39,343,892,223,059.03/7,186,456.91
6. Step 6: Final answer
   x = 5,474,727.36