Finding the Fourth Proportional to 10,667,469.78, 14,721,108.27 and 5,772,691.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667,469.78 : 14,721,108.27 = 5,772,691.87 : x
2. Step 2: Convert to fraction form
   10,667,469.78/14,721,108.27 = 5,772,691.87/x
3. Step 3: Cross multiply
   10,667,469.78x = 14,721,108.27 × 5,772,691.87
4. Step 4: Simplify right side
   10,667,469.78x = 84,980,422,027,618.77
5. Step 5: Solve for x
   x = 84,980,422,027,618.77/10,667,469.78
6. Step 6: Final answer
   x = 7,966,314.77