Finding the Fourth Proportional to 22,573,175.82, 31,149,940.06 and 12,783,690.07

Step by Step Solution

1. Step 1: Write the proportion equation
   22,573,175.82 : 31,149,940.06 = 12,783,690.07 : x
2. Step 2: Convert to fraction form
   22,573,175.82/31,149,940.06 = 12,783,690.07/x
3. Step 3: Cross multiply
   22,573,175.82x = 31,149,940.06 × 12,783,690.07
4. Step 4: Simplify right side
   22,573,175.82x = 398,211,179,364,222
5. Step 5: Solve for x
   x = 398,211,179,364,222/22,573,175.82
6. Step 6: Final answer
   x = 17,640,901.87