Finding the Fourth Proportional to 1,184,300.52, 1,776,434.18 and 285,734.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184,300.52 : 1,776,434.18 = 285,734.58 : x
2. Step 2: Convert to fraction form
   1,184,300.52/1,776,434.18 = 285,734.58/x
3. Step 3: Cross multiply
   1,184,300.52x = 1,776,434.18 × 285,734.58
4. Step 4: Simplify right side
   1,184,300.52x = 507,588,672,891.27
5. Step 5: Solve for x
   x = 507,588,672,891.27/1,184,300.52
6. Step 6: Final answer
   x = 428,597.86