Finding the Fourth Proportional to 12,407,259.58, 18,611,773.98 and 3,309,305.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,407,259.58 : 18,611,773.98 = 3,309,305.56 : x
2. Step 2: Convert to fraction form
   12,407,259.58/18,611,773.98 = 3,309,305.56/x
3. Step 3: Cross multiply
   12,407,259.58x = 18,611,773.98 × 3,309,305.56
4. Step 4: Simplify right side
   12,407,259.58x = 61,592,047,113,477.33
5. Step 5: Solve for x
   x = 61,592,047,113,477.33/12,407,259.58
6. Step 6: Final answer
   x = 4,964,194.29