Finding the Fourth Proportional to 23,026,071.56, 31,778,765.46 and 13,105,366.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,026,071.56 : 31,778,765.46 = 13,105,366.47 : x
2. Step 2: Convert to fraction form
   23,026,071.56/31,778,765.46 = 13,105,366.47/x
3. Step 3: Cross multiply
   23,026,071.56x = 31,778,765.46 × 13,105,366.47
4. Step 4: Simplify right side
   23,026,071.56x = 416,472,367,317,478.19
5. Step 5: Solve for x
   x = 416,472,367,317,478.19/23,026,071.56
6. Step 6: Final answer
   x = 18,086,991.80