Finding the Fourth Proportional to 1,854,978.16, 2,782,866.24 and 575,560

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,978.16 : 2,782,866.24 = 575,560 : x
2. Step 2: Convert to fraction form
   1,854,978.16/2,782,866.24 = 575,560/x
3. Step 3: Cross multiply
   1,854,978.16x = 2,782,866.24 × 575,560
4. Step 4: Simplify right side
   1,854,978.16x = 1,601,706,493,094.40
5. Step 5: Solve for x
   x = 1,601,706,493,094.40/1,854,978.16
6. Step 6: Final answer
   x = 863,463.80