Finding the Fourth Proportional to 865,892.34, 1,298,288.35 and 759,490

Step by Step Solution

1. Step 1: Write the proportion equation
   865,892.34 : 1,298,288.35 = 759,490 : x
2. Step 2: Convert to fraction form
   865,892.34/1,298,288.35 = 759,490/x
3. Step 3: Cross multiply
   865,892.34x = 1,298,288.35 × 759,490
4. Step 4: Simplify right side
   865,892.34x = 986,037,018,941.50
5. Step 5: Solve for x
   x = 986,037,018,941.50/865,892.34
6. Step 6: Final answer
   x = 1,138,752.44