Finding the Fourth Proportional to 10,210,434.56, 14,089,989.71 and 5,564,120.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,210,434.56 : 14,089,989.71 = 5,564,120.57 : x
2. Step 2: Convert to fraction form
   10,210,434.56/14,089,989.71 = 5,564,120.57/x
3. Step 3: Cross multiply
   10,210,434.56x = 14,089,989.71 × 5,564,120.57
4. Step 4: Simplify right side
   10,210,434.56x = 78,398,401,537,334.75
5. Step 5: Solve for x
   x = 78,398,401,537,334.75/10,210,434.56
6. Step 6: Final answer
   x = 7,678,262.96