Finding the Fourth Proportional to 9,559,621.91, 13,192,111.82 and 5,208,743.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,559,621.91 : 13,192,111.82 = 5,208,743.99 : x
2. Step 2: Convert to fraction form
   9,559,621.91/13,192,111.82 = 5,208,743.99/x
3. Step 3: Cross multiply
   9,559,621.91x = 13,192,111.82 × 5,208,743.99
4. Step 4: Simplify right side
   9,559,621.91x = 68,714,333,104,894.27
5. Step 5: Solve for x
   x = 68,714,333,104,894.27/9,559,621.91
6. Step 6: Final answer
   x = 7,187,976.03