Finding the Fourth Proportional to 9,468,553.90, 13,066,598.76 and 5,117,640.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,468,553.90 : 13,066,598.76 = 5,117,640.42 : x
2. Step 2: Convert to fraction form
   9,468,553.90/13,066,598.76 = 5,117,640.42/x
3. Step 3: Cross multiply
   9,468,553.90x = 13,066,598.76 × 5,117,640.42
4. Step 4: Simplify right side
   9,468,553.90x = 66,870,153,966,097.88
5. Step 5: Solve for x
   x = 66,870,153,966,097.88/9,468,553.90
6. Step 6: Final answer
   x = 7,062,340.74