Finding the Fourth Proportional to 9,355,320, 12,910,341.60 and 5,062,968

Step by Step Solution

1. Step 1: Write the proportion equation
   9,355,320 : 12,910,341.60 = 5,062,968 : x
2. Step 2: Convert to fraction form
   9,355,320/12,910,341.60 = 5,062,968/x
3. Step 3: Cross multiply
   9,355,320x = 12,910,341.60 × 5,062,968
4. Step 4: Simplify right side
   9,355,320x = 65,364,646,389,868.80
5. Step 5: Solve for x
   x = 65,364,646,389,868.80/9,355,320
6. Step 6: Final answer
   x = 6,986,895.84