Finding the Fourth Proportional to 9,162,356.24, 13,731,578.76 and 5,118,680.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,162,356.24 : 13,731,578.76 = 5,118,680.72 : x
2. Step 2: Convert to fraction form
   9,162,356.24/13,731,578.76 = 5,118,680.72/x
3. Step 3: Cross multiply
   9,162,356.24x = 13,731,578.76 × 5,118,680.72
4. Step 4: Simplify right side
   9,162,356.24x = 70,287,567,453,973.50
5. Step 5: Solve for x
   x = 70,287,567,453,973.50/9,162,356.24
6. Step 6: Final answer
   x = 7,671,341.91