Finding the Fourth Proportional to 9,861,111.35, 13,609,685.42 and 5,674,710.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,861,111.35 : 13,609,685.42 = 5,674,710.24 : x
2. Step 2: Convert to fraction form
   9,861,111.35/13,609,685.42 = 5,674,710.24/x
3. Step 3: Cross multiply
   9,861,111.35x = 13,609,685.42 × 5,674,710.24
4. Step 4: Simplify right side
   9,861,111.35x = 77,231,021,230,239.47
5. Step 5: Solve for x
   x = 77,231,021,230,239.47/9,861,111.35
6. Step 6: Final answer
   x = 7,831,878.02