Finding the Fourth Proportional to 1,429,093.31, 2,142,009.18 and 575,618.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,093.31 : 2,142,009.18 = 575,618.39 : x
2. Step 2: Convert to fraction form
   1,429,093.31/2,142,009.18 = 575,618.39/x
3. Step 3: Cross multiply
   1,429,093.31x = 2,142,009.18 × 575,618.39
4. Step 4: Simplify right side
   1,429,093.31x = 1,232,979,864,846.77
5. Step 5: Solve for x
   x = 1,232,979,864,846.77/1,429,093.31
6. Step 6: Final answer
   x = 862,770.72