Finding the Fourth Proportional to 13,152,193.48, 18,150,659.61 and 7,271,718.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,152,193.48 : 18,150,659.61 = 7,271,718.86 : x
2. Step 2: Convert to fraction form
   13,152,193.48/18,150,659.61 = 7,271,718.86/x
3. Step 3: Cross multiply
   13,152,193.48x = 18,150,659.61 × 7,271,718.86
4. Step 4: Simplify right side
   13,152,193.48x = 131,986,493,807,477.25
5. Step 5: Solve for x
   x = 131,986,493,807,477.25/13,152,193.48
6. Step 6: Final answer
   x = 10,035,321.79