Finding the Fourth Proportional to 1,259,755.17, 1,737,392.59 and 1,064,478.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259,755.17 : 1,737,392.59 = 1,064,478.34 : x
2. Step 2: Convert to fraction form
   1,259,755.17/1,737,392.59 = 1,064,478.34/x
3. Step 3: Cross multiply
   1,259,755.17x = 1,737,392.59 × 1,064,478.34
4. Step 4: Simplify right side
   1,259,755.17x = 1,849,416,780,131.50
5. Step 5: Solve for x
   x = 1,849,416,780,131.50/1,259,755.17
6. Step 6: Final answer
   x = 1,468,076.36