Finding the Fourth Proportional to 902,034.72, 1,244,789.52 and 520,038.72

Step by Step Solution

1. Step 1: Write the proportion equation
   902,034.72 : 1,244,789.52 = 520,038.72 : x
2. Step 2: Convert to fraction form
   902,034.72/1,244,789.52 = 520,038.72/x
3. Step 3: Cross multiply
   902,034.72x = 1,244,789.52 × 520,038.72
4. Step 4: Simplify right side
   902,034.72x = 647,338,748,650.21
5. Step 5: Solve for x
   x = 647,338,748,650.21/902,034.72
6. Step 6: Final answer
   x = 717,642.83