Finding the Fourth Proportional to 1,045,131.59, 1,567,529.58 and 286,795.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045,131.59 : 1,567,529.58 = 286,795.96 : x
2. Step 2: Convert to fraction form
   1,045,131.59/1,567,529.58 = 286,795.96/x
3. Step 3: Cross multiply
   1,045,131.59x = 1,567,529.58 × 286,795.96
4. Step 4: Simplify right side
   1,045,131.59x = 449,561,147,881.16
5. Step 5: Solve for x
   x = 449,561,147,881.16/1,045,131.59
6. Step 6: Final answer
   x = 430,147.89