Finding the Fourth Proportional to 1,061,566.69, 1,464,951.84 and 578,139.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,566.69 : 1,464,951.84 = 578,139.91 : x
2. Step 2: Convert to fraction form
   1,061,566.69/1,464,951.84 = 578,139.91/x
3. Step 3: Cross multiply
   1,061,566.69x = 1,464,951.84 × 578,139.91
4. Step 4: Simplify right side
   1,061,566.69x = 846,947,124,931.94
5. Step 5: Solve for x
   x = 846,947,124,931.94/1,061,566.69
6. Step 6: Final answer
   x = 797,827.53