Finding the Fourth Proportional to 790,086.61, 1,090,317.31 and 427,516.62

Step by Step Solution

1. Step 1: Write the proportion equation
   790,086.61 : 1,090,317.31 = 427,516.62 : x
2. Step 2: Convert to fraction form
   790,086.61/1,090,317.31 = 427,516.62/x
3. Step 3: Cross multiply
   790,086.61x = 1,090,317.31 × 427,516.62
4. Step 4: Simplify right side
   790,086.61x = 466,128,771,098.69
5. Step 5: Solve for x
   x = 466,128,771,098.69/790,086.61
6. Step 6: Final answer
   x = 589,971.74