Finding the Fourth Proportional to 1,210,446.18, 1,814,733.72 and 611,098.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210,446.18 : 1,814,733.72 = 611,098.83 : x
2. Step 2: Convert to fraction form
   1,210,446.18/1,814,733.72 = 611,098.83/x
3. Step 3: Cross multiply
   1,210,446.18x = 1,814,733.72 × 611,098.83
4. Step 4: Simplify right side
   1,210,446.18x = 1,108,981,653,053.55
5. Step 5: Solve for x
   x = 1,108,981,653,053.55/1,210,446.18
6. Step 6: Final answer
   x = 916,175.93