Finding the Fourth Proportional to 7,072,663.86, 10,609,069.91 and 5,661,689.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,072,663.86 : 10,609,069.91 = 5,661,689.22 : x
2. Step 2: Convert to fraction form
   7,072,663.86/10,609,069.91 = 5,661,689.22/x
3. Step 3: Cross multiply
   7,072,663.86x = 10,609,069.91 × 5,661,689.22
4. Step 4: Simplify right side
   7,072,663.86x = 60,065,256,715,364.91
5. Step 5: Solve for x
   x = 60,065,256,715,364.91/7,072,663.86
6. Step 6: Final answer
   x = 8,492,593.16