Finding the Fourth Proportional to 1,590,738.53, 2,195,200.72 and 865,573.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,738.53 : 2,195,200.72 = 865,573.76 : x
2. Step 2: Convert to fraction form
   1,590,738.53/2,195,200.72 = 865,573.76/x
3. Step 3: Cross multiply
   1,590,738.53x = 2,195,200.72 × 865,573.76
4. Step 4: Simplify right side
   1,590,738.53x = 1,900,108,133,513.17
5. Step 5: Solve for x
   x = 1,900,108,133,513.17/1,590,738.53
6. Step 6: Final answer
   x = 1,194,481.74