Finding the Fourth Proportional to 1,665,530.64, 2,499,056.55 and 906,233.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,530.64 : 2,499,056.55 = 906,233.40 : x
2. Step 2: Convert to fraction form
   1,665,530.64/2,499,056.55 = 906,233.40/x
3. Step 3: Cross multiply
   1,665,530.64x = 2,499,056.55 × 906,233.40
4. Step 4: Simplify right side
   1,665,530.64x = 2,264,728,514,098.77
5. Step 5: Solve for x
   x = 2,264,728,514,098.77/1,665,530.64
6. Step 6: Final answer
   x = 1,359,763.95