Finding the Fourth Proportional to 989,036.76, 1,364,870.71 and 536,328.12

Step by Step Solution

1. Step 1: Write the proportion equation
   989,036.76 : 1,364,870.71 = 536,328.12 : x
2. Step 2: Convert to fraction form
   989,036.76/1,364,870.71 = 536,328.12/x
3. Step 3: Cross multiply
   989,036.76x = 1,364,870.71 × 536,328.12
4. Step 4: Simplify right side
   989,036.76x = 732,018,541,937.37
5. Step 5: Solve for x
   x = 732,018,541,937.37/989,036.76
6. Step 6: Final answer
   x = 740,132.80