Finding the Fourth Proportional to 23,710,308.56, 32,720,259.12 and 12,845,292.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,710,308.56 : 32,720,259.12 = 12,845,292.56 : x
2. Step 2: Convert to fraction form
   23,710,308.56/32,720,259.12 = 12,845,292.56/x
3. Step 3: Cross multiply
   23,710,308.56x = 32,720,259.12 × 12,845,292.56
4. Step 4: Simplify right side
   23,710,308.56x = 420,301,301,035,408.19
5. Step 5: Solve for x
   x = 420,301,301,035,408.19/23,710,308.56
6. Step 6: Final answer
   x = 17,726,521.78