Finding the Fourth Proportional to 1,132,558.56, 1,698,854.04 and 291,111.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,558.56 : 1,698,854.04 = 291,111.12 : x
2. Step 2: Convert to fraction form
   1,132,558.56/1,698,854.04 = 291,111.12/x
3. Step 3: Cross multiply
   1,132,558.56x = 1,698,854.04 × 291,111.12
4. Step 4: Simplify right side
   1,132,558.56x = 494,555,302,300.93
5. Step 5: Solve for x
   x = 494,555,302,300.93/1,132,558.56
6. Step 6: Final answer
   x = 436,670.84