Finding the Fourth Proportional to 9,970,404.12, 13,759,167.42 and 5,386,729.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970,404.12 : 13,759,167.42 = 5,386,729.14 : x
2. Step 2: Convert to fraction form
   9,970,404.12/13,759,167.42 = 5,386,729.14/x
3. Step 3: Cross multiply
   9,970,404.12x = 13,759,167.42 × 5,386,729.14
4. Step 4: Simplify right side
   9,970,404.12x = 74,116,908,083,452.61
5. Step 5: Solve for x
   x = 74,116,908,083,452.61/9,970,404.12
6. Step 6: Final answer
   x = 7,433,691.47