Finding the Fourth Proportional to 864,656.76, 1,297,047.17 and 249,135.52

Step by Step Solution

1. Step 1: Write the proportion equation
   864,656.76 : 1,297,047.17 = 249,135.52 : x
2. Step 2: Convert to fraction form
   864,656.76/1,297,047.17 = 249,135.52/x
3. Step 3: Cross multiply
   864,656.76x = 1,297,047.17 × 249,135.52
4. Step 4: Simplify right side
   864,656.76x = 323,140,522,870.89
5. Step 5: Solve for x
   x = 323,140,522,870.89/864,656.76
6. Step 6: Final answer
   x = 373,721.15