Finding the Fourth Proportional to 39,010,665.60, 58,519,847.52 and 13,448,309.76

Step by Step Solution

1. Step 1: Write the proportion equation
   39,010,665.60 : 58,519,847.52 = 13,448,309.76 : x
2. Step 2: Convert to fraction form
   39,010,665.60/58,519,847.52 = 13,448,309.76/x
3. Step 3: Cross multiply
   39,010,665.60x = 58,519,847.52 × 13,448,309.76
4. Step 4: Simplify right side
   39,010,665.60x = 786,993,036,556,927.88
5. Step 5: Solve for x
   x = 786,993,036,556,927.88/39,010,665.60
6. Step 6: Final answer
   x = 20,173,791.56