Finding the Fourth Proportional to 10,908,788.80, 16,359,621.84 and 3,620,290.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,908,788.80 : 16,359,621.84 = 3,620,290.72 : x
2. Step 2: Convert to fraction form
   10,908,788.80/16,359,621.84 = 3,620,290.72/x
3. Step 3: Cross multiply
   10,908,788.80x = 16,359,621.84 × 3,620,290.72
4. Step 4: Simplify right side
   10,908,788.80x = 59,226,587,130,061.33
5. Step 5: Solve for x
   x = 59,226,587,130,061.33/10,908,788.80
6. Step 6: Final answer
   x = 5,429,254.17