Finding the Fourth Proportional to 22,802,070.78, 31,467,366.81 and 13,012,320.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,802,070.78 : 31,467,366.81 = 13,012,320.06 : x
2. Step 2: Convert to fraction form
   22,802,070.78/31,467,366.81 = 13,012,320.06/x
3. Step 3: Cross multiply
   22,802,070.78x = 31,467,366.81 × 13,012,320.06
4. Step 4: Simplify right side
   22,802,070.78x = 409,463,448,377,141.19
5. Step 5: Solve for x
   x = 409,463,448,377,141.19/22,802,070.78
6. Step 6: Final answer
   x = 17,957,292.23