Finding the Fourth Proportional to 12,859,730.10, 17,746,611.57 and 7,058,406.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,859,730.10 : 17,746,611.57 = 7,058,406.42 : x
2. Step 2: Convert to fraction form
   12,859,730.10/17,746,611.57 = 7,058,406.42/x
3. Step 3: Cross multiply
   12,859,730.10x = 17,746,611.57 × 7,058,406.42
4. Step 4: Simplify right side
   12,859,730.10x = 125,262,797,038,934.28
5. Step 5: Solve for x
   x = 125,262,797,038,934.28/12,859,730.10
6. Step 6: Final answer
   x = 9,740,701.87