Finding the Fourth Proportional to 10,672,801.76, 14,728,463.16 and 5,778,020.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,672,801.76 : 14,728,463.16 = 5,778,020.55 : x
2. Step 2: Convert to fraction form
   10,672,801.76/14,728,463.16 = 5,778,020.55/x
3. Step 3: Cross multiply
   10,672,801.76x = 14,728,463.16 × 5,778,020.55
4. Step 4: Simplify right side
   10,672,801.76x = 85,101,362,808,397.94
5. Step 5: Solve for x
   x = 85,101,362,808,397.94/10,672,801.76
6. Step 6: Final answer
   x = 7,973,666.59