Finding the Fourth Proportional to 22,572,203.40, 31,151,561.82 and 12,784,388.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,572,203.40 : 31,151,561.82 = 12,784,388.82 : x
2. Step 2: Convert to fraction form
   22,572,203.40/31,151,561.82 = 12,784,388.82/x
3. Step 3: Cross multiply
   22,572,203.40x = 31,151,561.82 × 12,784,388.82
4. Step 4: Simplify right side
   22,572,203.40x = 398,253,678,657,146.88
5. Step 5: Solve for x
   x = 398,253,678,657,146.88/22,572,203.40
6. Step 6: Final answer
   x = 17,643,544.66