Finding the Fourth Proportional to 1,111,443.51, 1,533,793.65 and 602,145.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,443.51 : 1,533,793.65 = 602,145.87 : x
2. Step 2: Convert to fraction form
   1,111,443.51/1,533,793.65 = 602,145.87/x
3. Step 3: Cross multiply
   1,111,443.51x = 1,533,793.65 × 602,145.87
4. Step 4: Simplify right side
   1,111,443.51x = 923,567,511,779.73
5. Step 5: Solve for x
   x = 923,567,511,779.73/1,111,443.51
6. Step 6: Final answer
   x = 830,962.17