Finding the Fourth Proportional to 1,533,627, 2,116,562.72 and 921,977.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,533,627 : 2,116,562.72 = 921,977.78 : x
2. Step 2: Convert to fraction form
   1,533,627/2,116,562.72 = 921,977.78/x
3. Step 3: Cross multiply
   1,533,627x = 2,116,562.72 × 921,977.78
4. Step 4: Simplify right side
   1,533,627x = 1,951,423,797,816.36
5. Step 5: Solve for x
   x = 1,951,423,797,816.36/1,533,627
6. Step 6: Final answer
   x = 1,272,424.00