Finding the Fourth Proportional to 1,064,340.91, 1,596,978.84 and 558,784.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,340.91 : 1,596,978.84 = 558,784.42 : x
2. Step 2: Convert to fraction form
   1,064,340.91/1,596,978.84 = 558,784.42/x
3. Step 3: Cross multiply
   1,064,340.91x = 1,596,978.84 × 558,784.42
4. Step 4: Simplify right side
   1,064,340.91x = 892,366,898,804.51
5. Step 5: Solve for x
   x = 892,366,898,804.51/1,064,340.91
6. Step 6: Final answer
   x = 838,422.06