Finding the Fourth Proportional to 21,806,908.10, 32,710,362.15 and 13,303,852.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,806,908.10 : 32,710,362.15 = 13,303,852.10 : x
2. Step 2: Convert to fraction form
   21,806,908.10/32,710,362.15 = 13,303,852.10/x
3. Step 3: Cross multiply
   21,806,908.10x = 32,710,362.15 × 13,303,852.10
4. Step 4: Simplify right side
   21,806,908.10x = 435,173,820,181,038
5. Step 5: Solve for x
   x = 435,173,820,181,038/21,806,908.10
6. Step 6: Final answer
   x = 19,955,778.15