Finding the Fourth Proportional to 1,020,039.84, 1,406,864.16 and 657,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,039.84 : 1,406,864.16 = 657,522.72 : x
2. Step 2: Convert to fraction form
   1,020,039.84/1,406,864.16 = 657,522.72/x
3. Step 3: Cross multiply
   1,020,039.84x = 1,406,864.16 × 657,522.72
4. Step 4: Simplify right side
   1,020,039.84x = 925,045,149,153.72
5. Step 5: Solve for x
   x = 925,045,149,153.72/1,020,039.84
6. Step 6: Final answer
   x = 906,871.59