Finding the Fourth Proportional to 7,074,780.57, 9,762,212.75 and 3,976,865.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,074,780.57 : 9,762,212.75 = 3,976,865.91 : x
2. Step 2: Convert to fraction form
   7,074,780.57/9,762,212.75 = 3,976,865.91/x
3. Step 3: Cross multiply
   7,074,780.57x = 9,762,212.75 × 3,976,865.91
4. Step 4: Simplify right side
   7,074,780.57x = 38,823,011,071,758.02
5. Step 5: Solve for x
   x = 38,823,011,071,758.02/7,074,780.57
6. Step 6: Final answer
   x = 5,487,521.58