Finding the Fourth Proportional to 12,924,946.86, 17,836,337.34 and 7,123,731.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,924,946.86 : 17,836,337.34 = 7,123,731.72 : x
2. Step 2: Convert to fraction form
   12,924,946.86/17,836,337.34 = 7,123,731.72/x
3. Step 3: Cross multiply
   12,924,946.86x = 17,836,337.34 × 7,123,731.72
4. Step 4: Simplify right side
   12,924,946.86x = 127,061,282,077,578.42
5. Step 5: Solve for x
   x = 127,061,282,077,578.42/12,924,946.86
6. Step 6: Final answer
   x = 9,830,700.54