Finding the Fourth Proportional to 42,200,236.94, 63,300,399.14 and 13,446,348.26

Step by Step Solution

1. Step 1: Write the proportion equation
   42,200,236.94 : 63,300,399.14 = 13,446,348.26 : x
2. Step 2: Convert to fraction form
   42,200,236.94/63,300,399.14 = 13,446,348.26/x
3. Step 3: Cross multiply
   42,200,236.94x = 63,300,399.14 × 13,446,348.26
4. Step 4: Simplify right side
   42,200,236.94x = 851,159,211,833,444.50
5. Step 5: Solve for x
   x = 851,159,211,833,444.50/42,200,236.94
6. Step 6: Final answer
   x = 20,169,536.32