Finding the Fourth Proportional to 12,726,513.35, 19,089,809.21 and 3,141,892.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,726,513.35 : 19,089,809.21 = 3,141,892.90 : x
2. Step 2: Convert to fraction form
   12,726,513.35/19,089,809.21 = 3,141,892.90/x
3. Step 3: Cross multiply
   12,726,513.35x = 19,089,809.21 × 3,141,892.90
4. Step 4: Simplify right side
   12,726,513.35x = 59,978,136,033,297.46
5. Step 5: Solve for x
   x = 59,978,136,033,297.46/12,726,513.35
6. Step 6: Final answer
   x = 4,712,849.03