Finding the Fourth Proportional to 22,838,111.37, 31,502,633.09 and 13,539,452.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,838,111.37 : 31,502,633.09 = 13,539,452.12 : x
2. Step 2: Convert to fraction form
   22,838,111.37/31,502,633.09 = 13,539,452.12/x
3. Step 3: Cross multiply
   22,838,111.37x = 31,502,633.09 × 13,539,452.12
4. Step 4: Simplify right side
   22,838,111.37x = 426,528,392,150,772.25
5. Step 5: Solve for x
   x = 426,528,392,150,772.25/22,838,111.37
6. Step 6: Final answer
   x = 18,676,167.45