Finding the Fourth Proportional to 13,401,032.58, 19,949,988.42 and 13,321,316.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401,032.58 : 19,949,988.42 = 13,321,316.16 : x
2. Step 2: Convert to fraction form
   13,401,032.58/19,949,988.42 = 13,321,316.16/x
3. Step 3: Cross multiply
   13,401,032.58x = 19,949,988.42 × 13,321,316.16
4. Step 4: Simplify right side
   13,401,032.58x = 265,760,103,131,158.91
5. Step 5: Solve for x
   x = 265,760,103,131,158.91/13,401,032.58
6. Step 6: Final answer
   x = 19,831,315.35