Finding the Fourth Proportional to 45,972,017.76, 68,968,118.16 and 13,626,415.20

Step by Step Solution

1. Step 1: Write the proportion equation
   45,972,017.76 : 68,968,118.16 = 13,626,415.20 : x
2. Step 2: Convert to fraction form
   45,972,017.76/68,968,118.16 = 13,626,415.20/x
3. Step 3: Cross multiply
   45,972,017.76x = 68,968,118.16 × 13,626,415.20
4. Step 4: Simplify right side
   45,972,017.76x = 939,788,213,610,819.88
5. Step 5: Solve for x
   x = 939,788,213,610,819.88/45,972,017.76
6. Step 6: Final answer
   x = 20,442,613.99