Finding the Fourth Proportional to 12,898,748.47, 17,800,764.04 and 7,393,185.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,898,748.47 : 17,800,764.04 = 7,393,185.78 : x
2. Step 2: Convert to fraction form
   12,898,748.47/17,800,764.04 = 7,393,185.78/x
3. Step 3: Cross multiply
   12,898,748.47x = 17,800,764.04 × 7,393,185.78
4. Step 4: Simplify right side
   12,898,748.47x = 131,604,355,573,663.34
5. Step 5: Solve for x
   x = 131,604,355,573,663.34/12,898,748.47
6. Step 6: Final answer
   x = 10,202,877.89