Finding the Fourth Proportional to 866,499.58, 1,299,779.01 and 297,875.82

Step by Step Solution

1. Step 1: Write the proportion equation
   866,499.58 : 1,299,779.01 = 297,875.82 : x
2. Step 2: Convert to fraction form
   866,499.58/1,299,779.01 = 297,875.82/x
3. Step 3: Cross multiply
   866,499.58x = 1,299,779.01 × 297,875.82
4. Step 4: Simplify right side
   866,499.58x = 387,172,738,422.54
5. Step 5: Solve for x
   x = 387,172,738,422.54/866,499.58
6. Step 6: Final answer
   x = 446,823.92