Finding the Fourth Proportional to 692,407.52, 1,039,065.48 and 243,116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   692,407.52 : 1,039,065.48 = 243,116.72 : x
2. Step 2: Convert to fraction form
   692,407.52/1,039,065.48 = 243,116.72/x
3. Step 3: Cross multiply
   692,407.52x = 1,039,065.48 × 243,116.72
4. Step 4: Simplify right side
   692,407.52x = 252,614,191,362.83
5. Step 5: Solve for x
   x = 252,614,191,362.83/692,407.52
6. Step 6: Final answer
   x = 364,834.56