Finding the Fourth Proportional to 10,558,499.75, 14,570,729.66 and 5,729,603.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,558,499.75 : 14,570,729.66 = 5,729,603.75 : x
2. Step 2: Convert to fraction form
   10,558,499.75/14,570,729.66 = 5,729,603.75/x
3. Step 3: Cross multiply
   10,558,499.75x = 14,570,729.66 × 5,729,603.75
4. Step 4: Simplify right side
   10,558,499.75x = 83,484,507,300,172.22
5. Step 5: Solve for x
   x = 83,484,507,300,172.22/10,558,499.75
6. Step 6: Final answer
   x = 7,906,853.18