Finding the Fourth Proportional to 10,061,974.26, 13,885,866.16 and 5,652,478.66

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061,974.26 : 13,885,866.16 = 5,652,478.66 : x
2. Step 2: Convert to fraction form
   10,061,974.26/13,885,866.16 = 5,652,478.66/x
3. Step 3: Cross multiply
   10,061,974.26x = 13,885,866.16 × 5,652,478.66
4. Step 4: Simplify right side
   10,061,974.26x = 78,489,562,145,016.16
5. Step 5: Solve for x
   x = 78,489,562,145,016.16/10,061,974.26
6. Step 6: Final answer
   x = 7,800,612.50