Finding the Fourth Proportional to 22,946,145.48, 31,664,478.78 and 12,630,853.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,946,145.48 : 31,664,478.78 = 12,630,853.80 : x
2. Step 2: Convert to fraction form
   22,946,145.48/31,664,478.78 = 12,630,853.80/x
3. Step 3: Cross multiply
   22,946,145.48x = 31,664,478.78 × 12,630,853.80
4. Step 4: Simplify right side
   22,946,145.48x = 399,949,402,123,382.38
5. Step 5: Solve for x
   x = 399,949,402,123,382.38/22,946,145.48
6. Step 6: Final answer
   x = 17,429,916.61